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Author Topic: Worn Shocks, Suggestion for replacement?  (Read 90813 times)
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GyroMan
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« on: 03/30/04 02:31 PM »

My truck has 88,000 kms on it and the rear shocks are DONE.  I was wondering what the best shocks are to put on and how hard is it to replace them by myself.  I am very mechanically inclined and I dont think it is too bad i just dont know what to buy..


please help

Dave
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« Reply #1 on: 03/30/04 05:18 PM »

In a word, Bilsteins.
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« Reply #2 on: 03/31/04 10:25 AM »

Heyaa ... I have a set(4) of factory Z71 Bilsteins that I took off my 2003 Z71 Avalanche.   You can have them for a hunski plus shipping.

They have about 500 miles on them.

Replaced them with Monroe Reflex 'cuz they give same control and softer on road ride.   Latest technology in shock science.

But ... the Bilsteins are still the industry standard for the usual offroader.

your neighbor, ron  Smiley

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« Reply #3 on: 03/31/04 11:26 AM »

I think im going to go with the Rancho RSX's.  I dont want the OEM ones on my truck ever again.  This truck has been up to the arctic i think i need beefier ones.
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« Reply #4 on: 03/31/04 11:39 AM »

I would recommend Rancho as well.  They are currently running a special until the end of April Buy 3 get 1 free.  The RSXs should be around $50 a piece.

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« Reply #5 on: 03/31/04 07:38 PM »

I studied the Bilsteins, Ranchos, and Monroe.  I went with the Monroe and am very pleased, both on road and off.  NAPA Auto sells a Reflex shock under their name and is simply a relabled Monroe, both, of course, are made by the same third party.
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« Reply #6 on: 04/01/04 09:02 AM »

I just received my RSX's yesterday & I'm waiting for the rain to stop (supposed to rain through tomorrow evening).   Will let you know how they are.  I've only got 33,000 miles on my 02 Z71, and the driver front Bilstein is leaking and the other 3 don't seem to be far behind.   Pretty poor OEM shock performance since I don't do any off-roading and towing is limited to a 14' jon boat.   I thought Bilstein made a quality product but given the poor performance on my AV, I wouldn't recommend them to anyone.
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« Reply #7 on: 04/01/04 10:02 AM »

I replaced my bilstiens because they leaked all over my garage, not because they wore out.....
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« Reply #8 on: 04/01/04 10:08 AM »

I also replaced my stock shocks with Monroe Reflex when I did the Eibach lowering springs.  It definitely softned the ride especially with the new 285/50/20s on the AV.  Very happy with them.
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« Reply #9 on: 04/01/04 03:24 PM »

Are they fairly easy to put in?  I want to do this myself.
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« Reply #10 on: 04/01/04 04:18 PM »

I'll let you know the ease of R&Ring them but just looking at them, everything looks pretty accessible and I doubt I'll even need to remove the tires.  Nuts & threads don't have any rust so I don't plan on needing the air impact wrench.  I'll just drive the end I'm working on up on my Rhino Ramps to gain a little more working clearance. Suspect it's going to be much, much easier than replacing struts.  
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« Reply #11 on: 04/02/04 04:46 PM »

Installed the shocks this afternoon.  Bilsteins were toast.  Driver front was almost totally locked up while the other three were easily compressed.  Surprising the Ranchos don't come with instructions but here's what you do if you haven't done this before:

The major shock nuts/bolts require a 15/32 open end wrench & a socket.  For the rear shocks you will also need a minimum 3" socket extension.  The top shock nuts on the OEM shocks require a 15mm open end wrench.  I used a 7mm open end wrench to hold the notched front shaft shock shaft.  You don't need to remove the tires to replace the shocks but you will probably need a jack to raise the corners of the AV when you try to install the new shocks as the new shocks are difficult to compress while you're tryiing to insert the bolts.  For the front OEM shocks compeltely remove the upper/lower shock bushings.   The Ranchos come with new bushings and washers.  Apply one steel washer, cup side up, on the threaded front shock rod.  Then apply one red bushing with the ribbed side up.   Insert shock assembly rod into upper shock mount.  Slide the other red bushing, ribbed side down over the rod.  The slide the other steel washer, cupped side down, over the rod.  Apply the nut (14mm open end wrench).  Tighten until the bushings are compressed to the point where they are the diameter of the steel washers.  Reuse the OEM bolt/nut for the lower shock mount.   For the rear shocks, youreuse both the top and bottom OEM bolts/nuts.   The driver rear was the most difficult because the filler hose to the gas tank takes up a lot of room.   Total R&R time was about an hour.  I've only taken the Ranchos on a brief trip through the neighborhood--ride is much better.  
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« Reply #12 on: 04/06/04 01:39 PM »

Thanks a lot man i really truly appreciate it.  All my shocks are toast just got my RSX's in and im installing as we speak.
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« Reply #13 on: 04/06/04 02:04 PM »

How many miles should one reasonably expect on the stock bilsteins?
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« Reply #14 on: 04/06/04 04:49 PM »

Well im all done.  That was almost as easy as an oil change.  Thanks for the instructions.

I didnt even cut myself once.

As for replacement time, im at 83,000 km which i think is around 43,000 miles or so maybe more.  Good idea to change at around 40K miles though.
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« Reply #15 on: 04/06/04 06:53 PM »

I was kind of afraid of that.  40K for $$$ shocks  banghead  

How much for the Ranchos?

(I'm at 25K now, but racking up miles fast  Undecided)
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« Reply #16 on: 04/06/04 07:36 PM »

Is there a noticable ride diference with aftermarket shocks? Now I am intrigued.
My wife was in the back seat a day or so ago and said the ride felt a bit rough, I blamed my worn tires, but now I am thinking shocks.
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« Reply #17 on: 04/07/04 07:11 AM »

I have over 40K...my shocks are fine.......

they should last a lot longer then that......

To test em...ya push down on corner hard....and if comes up and stops...they are fine...if it bounces a bit...then they bad...IMO
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« Reply #18 on: 04/07/04 07:44 AM »

...To test em...ya push down on corner hard....and if comes up and stops...they are fine...if it bounces a bit...then they bad...IMO

cheap way to get a hooptie...just let the shocks go bad  idea  Grin
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« Reply #19 on: 04/07/04 09:31 AM »

I don't have the invoice with me but the Rancho RSX17000's were about $52 ea (buy 3 get 1 free) plus free shipping from Summitt Racing.  Only difference in ride that I can notice from the Bilstein's (when they were new) is that when you drive over a big dip in the highway, the compression/rebound seems a  little softer.   Funny you should mention your wife's comments---mine said the same thing after riding in the back seat just before I noticed the shocks were used up.
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« Reply #20 on: 04/07/04 09:35 AM »

Of the 83,000 KM's on my truck id say half of those are offroad.  So if you are a regular off roader (I use my truck for work) offroad.  I would change them up.  If not they should last id say up to 50K miles.
Mine are completely toast.  The Ranchos are a much stiffer ride but i like that.
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« Reply #21 on: 04/07/04 10:24 AM »

I will have to take a look at mine on my next oil change. I have 77,000 miles on my stock shocks. I also don't have the z71 or z66. I have the base model. Not sure what shocks come with the base av.
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« Reply #22 on: 04/07/04 10:40 AM »

...I have the base model. Not sure what shocks come with the base av.

I don't know who makes them, but I got part number from another thread:

"2003 2wd Base model (no Z66 package) has p/n 15189678 shocks on the rear."

Not sure if that's same for 2wd vs. 4wd either.
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« Reply #23 on: 04/13/04 08:12 AM »

The ride with Rancho RSX's is very nice.  I find it a bit stiffer but yet this is the way this truck should feel.  Now if I could just afford those tires.
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« Reply #24 on: 05/18/04 01:17 PM »

Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins. Bilsteins.
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« Reply #25 on: 05/25/04 05:00 AM »

I am glad this thread was started because my shocks are TOAST also. At 50,000 miles I was very surprised that a Bilstein shock failed. I was going to replace them with Bilsteins because I have used them in the past but none of the suppliers by me said they had a listing to fit my 02. Has anybody else replaced theres with Bilstien?. I am not to sure I want them anyway if the failed this quick.
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« Reply #26 on: 05/27/04 06:03 PM »

Are the Rancho RSX9000's stiffer than stock on a Z-71 1500?  I am thinking about getting a set but want to be able select a comfortable ride for street, more firm for offroad, etc.  Anybody have any before/after comparisons?
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« Reply #27 on: 05/28/04 06:38 AM »

I'd say the RSX's are a tad softer than the Bilsteins.  The road sensing feature seems to take fraction of a second to kick in.   For instance, if you drive over a dip in the highway, the Bilsteins made the AV hug the dip----the RSXs tend to float you over it.   There's no loss in handling; just a little different feel in the seat of the pants.  
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« Reply #28 on: 05/28/04 07:45 AM »

Wow, so little has worn on our Av after 2 years and 33k miles, this whole thing about toasted shocks kind of suprised me.  So I'm guessing the typical wear-out rate is around 50k miles?

Our Z66 has Bilsteins on the front and load-levelers on the back, and it's still as tight, firm, and supple as it was on day one.

Anyone have any comments about the wear-out rate and ride of Av's with the "base" suspension?  I only ask because we're replacing the Av with a Yukon XL and they have the same shocks and springs as non-Z66 or Z71 Av's.
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« Reply #29 on: 05/28/04 02:58 PM »

I'd say the RSX's are a tad softer than the Bilsteins.  The road sensing feature seems to take fraction of a second to kick in.   For instance, if you drive over a dip in the highway, the Bilsteins made the AV hug the dip----the RSXs tend to float you over it.   There's no loss in handling; just a little different feel in the seat of the pants.  

Thanks!  I'm at about 50K miles and do some offroading, mine are going but not gone.
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« Reply #30 on: 05/31/04 02:27 PM »

i always change out my shocks as soon as i leave the dealership. factory shocks are junk and i dont trust them with my life since they help control the vehicle to a tremendous degree. the factory Bilstein shcoks are not the same as aftermarket Bilstein's so comparing the two is like apples and oranges. i like the Bilstein's, Rancho RS9000x, and thats about it. Procomp shocks are junk and all others just dont do the job for me. for a superior ride and comfort the RS9000x just cannot eb beat.
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« Reply #31 on: 06/01/04 11:48 AM »

 :B:A lot of years ago, when I was in tech college, my instructor told us that GM bought their OEM shocks for less than a dollar each. Even though they may say Monroe or any other name, they were not ones you can buy at any auto parts store. I realize that the Z71 shocks are heavy duty, buy they are probably built as cheaply as possible to under bid the competition. An aftermarket of the same name as the OEM shock would a much better quality shock. A lot of people change their shocks with low mileage to unload the junk shocks that came with their truck. chevy
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« Reply #32 on: 06/03/04 05:57 PM »

OK, I am ordering the Rancho RS9000X's for my Z-71.  Anyone out here replaced shocks themselves?  Just trying to get an idea how difficult and if there are any special tools or equipment required.  I am fairly mechanically inclined but this is the first vehicle I've held on to long enough to replace shocks, gotta love the AV.  Thanks!
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« Reply #33 on: 06/05/04 06:23 AM »

Any comments on Gabriel shocks?
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« Reply #34 on: 06/05/04 09:45 AM »

Type in avalanche and shocks on e-bay and there are usually some Z71 take-offs available.   They go for $50-75.

Haven't seen any of the load leveling Z66 shocks.  I am betting they will be expensive so I thought I would try to pick them up early.
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« Reply #35 on: 06/09/04 06:53 AM »

Bought a set of Rancho RS9000X's and installed last night, simple enough task with a floor jack and jack stands. One of my stock shocks had a leak and another seemed to be on the brink. All I can say is this makes for one heckuva nice set up and I love the adjustability. Played around with the settings last night but didn't have a lot of time to mess around with them, also waiting on the new cabin controller (Rancho is redesigning and will be coming out with a new unit). I would recommend these shocks to anyone that is looking to replace the factory stuff.
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« Reply #36 on: 06/09/04 07:17 AM »

Bought a set of Rancho RS9000X's and installed last night, simple enough task with a floor jack and jack stands. One of my stock shocks had a leak and another seemed to be on the brink. All I can say is this makes for one heckuva nice set up and I love the adjustability. Played around with the settings last night but didn't have a lot of time to mess around with them, also waiting on the new cabin controller (Rancho is redesigning and will be coming out with a new unit). I would recommend these shocks to anyone that is looking to replace the factory stuff.

No pictures of the old shocks, or the install procedures?  Sad
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« Reply #37 on: 06/09/04 07:30 AM »

I should have known that pics would come up!  Wink  It was too dark when I got done but I'll take pics this evening and point out the install issues but it's pretty simple...
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« Reply #38 on: 06/13/04 07:42 PM »

I have worked for Monroe Shocks and Struts for 12 years.  I took the bilsteins off and installed the RSX9000 Rancho's (which Monroe Owns) with the in-cab adjuster.  I had some problems with the air lines leaking after about 6 months and complained to the engineers.  Since then, they have made several mods to the connections and they work.  
I wouldn't put the Monroe Reflex shocks on.  The Rancho's are a lot better and last a lot longer.  They have buy 3 get the 4th free a promo a couple times a year.   Wait until then and get the RSX9000's and you can get the in-cab setup for around $100.   It is well worth it and it beats crawling under your vehicle to adjust your shock settings.
If anyone wants any information on any of the Monroe Shocks or Rancho Shocks or Lift Kits, let me know.  I can get them and email them.  I can also get the installation documentation on all of this stuff.   So, if you are thinking of putting a lift kit on your Avy, I can get the Rancho installation doc's and you can see the detail install.
Will help you decide if you want to take on the install yourself or have someone else do it.
FYI:   Monroe makes a lot of shocks for just about every vehicle.  They over label and sell them through various auto parts stores.  To save yourself the "Branded" cost of buying the ones that say "Monroe" on them, you can buy the same shock at these auto parts stores for a lot less and you get the same engineered shock without the hefty price tag.    
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« Reply #39 on: 06/26/04 02:28 PM »

Do the Bilstein shocks for the 03-04 AVs fit my 02  Z71 4x4 Av??? I am in need of new shocks at 47k. MY Av rides like a brick now.  veryveryangry Any suggestion as to what fits and what doesn't would be appreciated. I've seen some on ebay and would like to save some $$, but if they don't fit, it's money wasted.

thanks!
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« Reply #40 on: 06/26/04 02:50 PM »

I now have 62.000 miles on my av with  the same Z71 shocks it came with. No leaks ride is good.I was told that if they don't leak leave them alone....
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« Reply #41 on: 06/27/04 08:43 AM »

Do the Bilstein shocks for the 03-04 AVs fit my 02  Z71 4x4 Av??? I am in need of new shocks at 47k. MY Av rides like a brick now.  veryveryangry Any suggestion as to what fits and what doesn't would be appreciated. I've seen some on ebay and would like to save some $$, but if they don't fit, it's money wasted.

thanks!

Shocks for '02 through '04 Z71's are interchangeable.
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« Reply #42 on: 06/28/04 07:02 AM »

I still owe everyone pics - have them taken, will download tonight.  Been busy catching crawfish and catfishin'!  Had one heck of a crawfish boil last night!   thumbs_up
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« Reply #43 on: 06/28/04 07:13 AM »

Being shock challenged, I have the following questions:  I have an incessant chirping squeak coming from the underside of the Av.  Some here have suggested that it is a bad shock bushing and there is a TSB on it.  If I take the Av to the dealer and ask them to fix the bushing, do they need to replace the entire shock?  Will that be considered a wear and tear item, and as such will I need to pay for this?  If I were to take the Av to a garage and have the shocks replaced, will the bushings be replaced as well?

Can bushings be lubricated so that the shocks don't need replacement?  As far asI can tell by testing, the shocks are still working fine.  It's just that squeak I MUST get rid of!
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« Reply #44 on: 06/28/04 11:08 AM »

Being shock challenged, I have the following questions:  I have an incessant chirping squeak coming from the underside of the Av.  Some here have suggested that it is a bad shock bushing and there is a TSB on it.  If I take the Av to the dealer and ask them to fix the bushing, do they need to replace the entire shock?  Will that be considered a wear and tear item, and as such will I need to pay for this?  If I were to take the Av to a garage and have the shocks replaced, will the bushings be replaced as well?

Can bushings be lubricated so that the shocks don't need replacement?  As far asI can tell by testing, the shocks are still working fine.  It's just that squeak I MUST get rid of!

Bushings can be replaced/lubricated without replacing the shocks (not sure if GM has separate parts for them though).  They're just sleeves made out of some type of plastic compound that go between the frame and shock mounting brackets so that you don't have metal-to-metal contact.  I seriously doubt that they would try to call bushings a wear item unless she's been "rode hard and put up wet".  Good luck!
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« Reply #45 on: 07/01/04 07:29 PM »


Sorry, I haven't been on for a while.  The Bilsteins for an 03 - 04 should fit yours as long as they are off the same model, i.e., 1/2 ton to 1/2 ton or 3/4 ton to 3/4 ton.

If your truck is riding like a brick and the shocks are not bouncy or leaking, the shocks may still be ok.   It is when they get real bouncy or are leaking is how you can tell they are getting worn out.    So, if your truck is just riding like a brick you may be able to crank your torsion bars down a couple turns to soften the ride.

If you are looking for some shocks, I would recommend the new RSX9000 adjustable Rancho's.   You can get them on sale, buy 3 get the 4th free for around $350 and they carry a life time warranty.  If you have the money, get the pump too for about $100.  You can adjust the ride driving down the road.  Very nice option.  Try 4Wheel Parts, they usually have the sale going.  I get their catalog and just seen them on sale there.   They will definitely enhance your riding pleasure, on road and off.
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« Reply #46 on: 07/01/04 07:40 PM »

I had a squeak in the front of my Av for a long time and thought I might have done something to one of my shocks.  Turned out to be the lower control arm bushing on the drivers side.  The front bushing on the control arm was squeaking when I hit a dip.  I squirted a few drops of oil on the front and back side of the bushing and the squeak disappeared.  

Monroe Reflex or Rancho 9000 9 setting adjustables is the way to go if you are replacing your shocks.  The engineers have used my vehicle as a test vehicle for fit and durability for both.  I prefer the adjustable.   They work sweet for off-road (turn them on stiff) and they work great for the road.  
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« Reply #47 on: 07/06/04 08:03 AM »

FYI - regarding the in-cab controller for the Rancho RS9000X's, here's an email from Rancho on the status:

Thank you for your interest in Rancho products.  The old RS99700 controller
system in currently not avaliable and is being redesigned for the second
generation version.  The new system is scheduled to come out in August and
the part number will be RS99701.
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« Reply #48 on: 07/06/04 08:31 AM »

Thanks for the post everyone!   I came here looking for just this topic!   Cheesy

At 35,000 miles my 2002 2500 4x4 has become ridiculously rough.  My family visits once a year and asked what had happened to my truck!   veryangry

My 1999 Chevy S-10 ZR2's Bilsteins were in excellent shape at 80,000+ miles, so I think it's safe to say GM went with some cheap arsed shocks on our Avalanches!   dissappointed

Disappointing on a 2500 series IMHO!  
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« Reply #49 on: 07/06/04 03:47 PM »

Sorry everyone.  I work for Rancho and didn't realize they hadn't released the new redesigned in cab remote to the public yet.  I got mine from the engineers for road testing about 5 months ago and just assumed they had started shipping it.   This new design is much better than the old one.  They have changed the air line connections and redesigned the in cab gauges.  It works much better and is a lot more reliable than the old one.

If anyone needs to look up parts for their vehicle, get installation instructions or just ask our techies a question, the website for them is WWW.GORANCHO.COM.  

For Monroe shocks, the website is WWW.MONROE.COM.  You can look up part numbers and also ask questions on that site by emailing them also.   The Reflex shocks are about the best ones from my experience.  
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« Reply #50 on: 07/07/04 06:20 AM »

Sorry everyone.  I work for Rancho and didn't realize they hadn't released the new redesigned in cab remote to the public yet.  I got mine from the engineers for road testing about 5 months ago and just assumed they had started shipping it.   This new design is much better than the old one.  They have changed the air line connections and redesigned the in cab gauges.  It works much better and is a lot more reliable than the old one.

If anyone needs to look up parts for their vehicle, get installation instructions or just ask our techies a question, the website for them is WWW.GORANCHO.COM.  

For Monroe shocks, the website is WWW.MONROE.COM.  You can look up part numbers and also ask questions on that site by emailing them also.   The Reflex shocks are about the best ones from my experience.  

It would really be cool to see some pics of the new cab gauges!  thumbs_up
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« Reply #51 on: 07/07/04 01:17 PM »


As for aftermarket shock absorbers...  Choose carefully.  Your suspension system is comprised of 3 basic mechanical elements: spring, shock, mass.  It has been tuned specifically to provide ride and handling characteristics outlined in the Vehicle Technical Specification.  If you change the shock, you will alter the suspension characteristics.  Though it is true that the original equiptment characteristics do not work for everyone.

More importantly, aftermarket shocks do not have to be tested for durability.  That causes me concern if I'm going to drop down a pile of money that is supposed to take care of me for 50k miles or so.

I'm pretty sure that the Avalahche used a Nivomat shock on some suspension packages - it's a self leveling device that works well for vehicles that tow.  Since I will be towing on ocasion, I'll be looking for them as my replacements (and they have been validated for my vehicle).  This shock has been discontinued due to cost, but available for service.  I'll post any info that I find.

... research leads to better decisions...
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« Reply #52 on: 07/10/04 09:58 PM »

Glad to find this thread. My '02 Z-71 Av was flipped b4 I got it (April '04) and now that all else is fixed.... Drvr front Bilstein is blown, rest are fine. I work this truck, that is what I bought it for. Have big loads like dirt, mulch, tillers, (rental properties).  Reading up on this thread sent me to Rancho's at 4wheelParts. What about the RANCHO RSX @$300??
(Rancho5000=$200 & Rancho9000=$400)
Is anybody running these or am I better off hauling with 9000's  or just replace the blown Bilstein Huh   Did I mention my occasional heavy foot and a real tendency to push around corners???
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« Reply #53 on: 07/26/04 06:07 PM »

The Z66 has the self leveling/Nivomat rear shocks.  My 02 has them and they would sag with a load left hooked up overnight after two years of towing boat and MC trailer.  Rough riding as well. 22,000miles  Had them replaced under warranty and what a difference!  If they do that again will go regular shocks and air bag the springs.
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« Reply #54 on: 03/29/05 07:52 AM »

I've blown a front bilstein, likely due to installing ford keys.  After reading this thread, it seems that some have similar problems at similar mileage to mine (45,000 mi) even without lifting the front  Undecided

If anyone has any more replacement suggestions and experiences, or experiences with DIY replacement, please post them  Smiley



dmc - do you still post here, and do you still work for Rancho?
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« Reply #55 on: 03/29/05 07:58 AM »

RICH .. I just figured out my right front is blown too ... I was surprised to here someone on the site said the replacement Bilsteins from GM where running about $500 .... now I can't find that post ...

I went to my dealer yesterday and found that they can get one for $88.01 a peice but GMPARTSDIRECT has them for 44.01 each ...
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« Reply #56 on: 03/29/05 08:04 AM »

RICH .. I just figured out my right front is blown too ... I was surprised to here someone on the site said the replacement Bilsteins from GM where running about $500 .... now I can't find that post ...

I went to my dealer yesterday and found that they can get one for $88.01 a peice but GMPARTSDIRECT has them for 44.01 each ...

remember Van Devere.....they have good pricing too...
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« Reply #57 on: 03/29/05 08:11 AM »

oh .. forgot about them .... thanks YGMN
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« Reply #58 on: 03/29/05 08:15 AM »

Good info thanks...

Would consider replacing with stock at that price, but not without some modification to lower it.  For a bit more money it looks like I can get a slightly longer shock from Rancho...still researching.

FWIW, it's my front RIGHT, too.

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« Reply #59 on: 03/30/05 06:29 PM »

rancho 9000 is the way to go good travel and adjustable so you dont have to guess what the ride is going to be like when you install new shocks  just set it to your taste Wink
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« Reply #60 on: 03/30/05 10:02 PM »

I like my Monroe Reflex - smooth as cake  Grin
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« Reply #61 on: 03/31/05 02:58 PM »

So I'm driving around on this "blown" ... OK actually more acurately descibed as leaky I guess ... right front shock.  Even took it out and bounced around on the jobsite today.

The think is, I don't notice any ill-effects, on road or off.  The front doesn't bounce any more than it did when I press on the bumper, and no more than the other side.

Whassup with dat?  Huh  Maybe they're just decorative (particularly now that the fronts up where I can see them)  Undecided

That's got to be where all of that oil came from...it's all over the lower half of the shock and on the lower A-arm  Huh
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« Reply #62 on: 05/13/05 07:18 AM »

There are a ton of shock threads, but I'm going to update in this one as it seems to be most general.  Oh, and doesn't have any pics even though promised...I'll try to fix that  Wink

first thing to clarify is that in my previous post, I said that I couldn't tell a difference due to my leaky shock.  Now that more time has gone by, it has been getting worse and worse, and now ride is not good.  It is probably even worse than I think as it has been a gradual decline.

Will update after I get my new Ranchos on...due to be delivered today  Smiley
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« Reply #63 on: 05/13/05 02:02 PM »

I also went to Monroe Reflex...  The Bilstein shocks are OE but they only make aftermarket fronts.  The dealer wanted way too much $$$ for the OE's and my ride with the Monroe shocks is A1.
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« Reply #64 on: 05/13/05 02:06 PM »

Yeah, even though I've seen that the OE ones are avail for as low as $44 each, for some reason GM parts counters seem to be real proud of the OE Bilsteins as I continue to see posts about how much they charge for them.

I can tell you that I'm not real proud of the particular ones that got put on my AV  Roll Eyes
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« Reply #65 on: 05/13/05 02:26 PM »

I also went to Monroe Reflex...  The Bilstein shocks are OE but they only make aftermarket fronts.  The dealer wanted way too much $$$ for the OE's and my ride with the Monroe shocks is A1.

I'm very happy with my Monroe Reflex as well.  thumbs_up
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« Reply #66 on: 05/14/05 10:57 AM »

and the verdict is...

My AV rides like new again  thumbs_up  I definately got lulled into my bad ride gradually.  One of my fronts was definitely dead.  Rears may have been OK, but I replaced all four shocks with Rancho 9000 adjustables.  OE Bilsteins are going straight in the dumpster  thumbs_up

I'm not going to give a detailed blow-by-blow, b/c it ended up being fairly simple.  I we [huge thanks to OviedoAV  thumbs_up] did NOT have to jack up either front or back to install new shocks, contrary to the official technical instructions.  It took us about an hour...definitely could have been done in less time than that, but we were "catching up" too  Cheesy 

There's really not much more to tell, so I'll just post a few pics, and then comment on the ride so far...
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« Reply #67 on: 05/14/05 10:59 AM »

Here's the crime scene, complete with the jack and jack stands that we didn't even use.

Also, comparison of rear OE Bilstein and new Rancho...seem to be similar.
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« Reply #68 on: 05/14/05 11:00 AM »

Newly installed front and rear.  Not much else to show.
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« Reply #69 on: 05/14/05 11:05 AM »

These are the adjustable Ranchos...you can see the adjustment knobs in the pics.  There are nine positions, 1 bing softest, and 9 being stiffest.  I started at 4.

4 was too soft for my tastes on the highway...softer than the OE Bilsteins.  I found that 6 was closest to original feel to me, which I liked.

I turned to 9 and went on a rutted sand road, and liked the feel.  Not too much testing yet, but there is a definite difference between the adjustements, so it was nice to discover that this is no gimmick.

That's about it...will report more if anything else comes up.

Thanks again, OviedoAV  thumbs_up
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« Reply #70 on: 05/14/05 11:18 AM »

Looks good!  thumbs_up
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« Reply #71 on: 05/14/05 01:43 PM »

BTW, I was extremely please with the company from which I ordered the shocks.  I ordered on Monday, got free ground shipping, called for a tracking # on Thursday, and was told that they'd be delivered on Friday, which they were, much earlier than I anticipated.

Company is Sam's Offroad Equipment

samsoffroad.com

I believe they are in Oklahoma.  Cheapest I could find... $298 for the set (I missed Rancho's annual buy 3 get one free deal  Undecided).

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« Reply #72 on: 05/14/05 01:45 PM »

Where are the pics of the dirty hands?
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« Reply #73 on: 05/14/05 02:17 PM »

Where are the pics of the dirty hands?

Our hands didn't get dirty at all..yea,yea, that's the ticket. No, it was very easy to do. Glad it rides better Rich. Was great seeing you againg and catching up.
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« Reply #74 on: 05/14/05 02:39 PM »

 
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« Reply #75 on: 05/20/05 07:38 AM »

Has anyone used the Pro Comp ES 3000 or ES 9000 on the AV? I had some ES 3000's on my old Trooper and rode them had for 60K with no problems.

Granted the Trooper (91') at that is no AV but does anyone have any input? chevy
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« Reply #76 on: 05/20/05 07:53 AM »

Not sure which ones I had,but I had the Procomps installed w/ my lift kit. I was very happy w/ them,except they rusted quickly, and looked like crap. The ride was nice though.
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« Reply #77 on: 05/21/05 06:23 AM »

That's no good. It's like have a bad A#$ truck that is all rusted out. It's just not the same when you have parts shoing that detract from the look of your truck.
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« Reply #78 on: 06/06/05 01:53 PM »

Add me to the Monroe Reflex bandwagon. I think those are the best shocks that Monroe makes. That's what I have on my 02 Av. The ride is great, but I did drop the back a bit with the Eibach Escalade EXT springs so that might make a small difference. I can really throw my Av into a corner w/o the rear end wanting to come around on me. The part #'s on the Av front shocks were 911178. The back ones should be 911168 (I used the 911167's which are about an inch shorter) as long as they didn't change anything from 02 to now.  BTW, $372.63 installed at my favorite local shop.
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« Reply #79 on: 08/27/05 06:34 PM »

I put on ProComp ES 3000's last week. Very pleased.

The ride is very good. firma and controlled but not rough or jolting.

The only pain is getting the bolt through the sleeve and through the rubber bushing. Total of about 2 hours for all 4. IMHO much better than the Bilsteins even when new.

$135 through 4Wheel Parts Warehouse with free shipping.
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« Reply #80 on: 09/16/05 01:40 PM »

I noticed that RichUF's ranchos were shorter than the stock shocks.  Will shorter shocks lower the hieght/stance of the vehicle?  In retro-spec will longer shocks raise the hieght/stance of the vehicle?
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« Reply #81 on: 09/17/05 04:26 AM »

That's because the old one's are "stretched" . They want to stay in the out position so they are opened up. They will push themselves back out even when you try to close them down. Kind of a memory from use.
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« Reply #82 on: 09/17/05 03:45 PM »

So the new rancho shocks will strecth to, or will they lower the ride hieght/stance of the truck?
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« Reply #83 on: 09/18/05 05:51 AM »

SHocks won't lower the ride unless they are too short. IN that case they will be broke in a very short time. Your springs are what more so affect your ride height with the other hard items like the torsion bars and keys.

When you hit a bump, your springs compress to soak up most of your bounce, your shocks control your rebound if that makes sense.
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« Reply #84 on: 09/18/05 12:05 PM »

Thanks kcksbadboy......... yes that makes plenty of since.  I was just hopping to raise my ride hieght by about 1 1/2" and I didn't want to have to put on any kind of kit.  So I was hoping longer shocks would help....guess not.
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« Reply #85 on: 09/18/05 07:19 PM »

New torsion bar keys will raise the front 1 1/2 to 2 inches, don't have to buy new shocks, keys are $50, install is $50, alignment $50 and your truck sits level. You probably need an alignment anyway, right?
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« Reply #86 on: 09/20/05 10:14 AM »

New torsion bar keys will raise the front 1 1/2 to 2 inches, don't have to buy new shocks, keys are $50, install is $50, alignment $50 and your truck sits level. You probably need an alignment anyway, right?

Well I really wanted to raise the front and the back by 1 1/2" - 2" and keep the raked look.  Love the AV stance just wanted it higher.
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« Reply #87 on: 10/11/05 08:50 AM »

I was wondering if anyone had a problem pulling a trailer?  The truck does fine but the rear really sags!!  I have a 02 Z71 1500.
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« Reply #88 on: 10/11/05 05:18 PM »

I was wondering if anyone had a problem pulling a trailer?  The truck does fine but the rear really sags!!  I have a 02 Z71 1500.

You might want to post your question in this section: Chevrolet Avalanche Towing & Hauling
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« Reply #89 on: 10/14/05 03:56 PM »

2003 1500 4X4 96K miles : The vehicle is so solid / well built, I never really "felt" a bad ride prior to the getting new shocks. I replaced the oe Bilsteins with Monroe Sensatrac for light trucks. Before and after, the vehicle has never given a bad ride. The worn shocks were cupping my front tires. I went too long before replacing them....and they were leaking.
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« Reply #90 on: 10/18/05 10:45 AM »

Wow, so little has worn on our Av after 2 years and 33k miles, this whole thing about toasted shocks kind of suprised me.  So I'm guessing the typical wear-out rate is around 50k miles?

Our Z66 has Bilsteins on the front and load-levelers on the back, and it's still as tight, firm, and supple as it was on day one.

Anyone have any comments about the wear-out rate and ride of Av's with the "base" suspension?  I only ask because we're replacing the Av with a Yukon XL and they have the same shocks and springs as non-Z66 or Z71 Av's.


99% of my driving is on Michigan highways and there was a distinct change in shock performance after 52,000 miles.  I've let them go to see just how bad it can get but I'm at the point where I can't handle it anymore (59k miles).    2003 Z66
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« Reply #91 on: 10/18/05 11:14 AM »

I just installed Rancho 9000's front and back  last weekend. With nine settings I'm still playing around to find the right ride. 3 was too soft, 5 is firmer, better than OEM right out of the showroom. I'm going to try 4 today. I payed 298.00 shipped. It wasn't hard to do.

Havalanche
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« Reply #92 on: 10/18/05 11:21 AM »

I like my Monroe Reflex - smooth as cake  Grin
I agree a very good replacement shock and at least $100.00 less than the Rancho 9000's (for those keeping track of mod dollars)  Wink
I am very happy with the Monroe Reflex ride on my '03 Z71 ....
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« Reply #93 on: 10/18/05 01:40 PM »

I agree a very good replacement shock and at least $100.00 less than the Rancho 9000's (for those keeping track of mod dollars)  Wink
I am very happy with the Monroe Reflex ride on my '03 Z71 ....

Would you say that the Monroe's has a softer/bouncier ride than you Z71 stock shocks?  I've got a Z66 and the ride is quite firm.  I'm just looking to soften the ride up a little bit, to get more of a luxury feel.

Thanks,

bb
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« Reply #94 on: 10/18/05 01:46 PM »

I just installed Rancho 9000's front and back  last weekend. With nine settings I'm still playing around to find the right ride. 3 was too soft, 5 is firmer, better than OEM right out of the showroom. I'm going to try 4 today. I payed 298.00 shipped. It wasn't hard to do.

Havalanche

do your rear 9000s rattle in the mounts at the higher settings like mine do?  I've tightened the bolts up, but that only works temporarily.

I like mine at about 7, but if I can't get them to quit rattling I won't be able to recommend them any longer  banghead
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« Reply #95 on: 10/18/05 02:14 PM »

Would you say that the Monroe's has a softer/bouncier ride than you Z71 stock shocks?  I've got a Z66 and the ride is quite firm.  I'm just looking to soften the ride up a little bit, to get more of a luxury feel.

Thanks,

bb
I would say the Monroe Reflex are smoother not softer and not bouncy.

HTH
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« Reply #96 on: 10/18/05 02:40 PM »

Bilsteins 5100s
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« Reply #97 on: 04/08/06 12:07 AM »

Been a while since anybody has posted on here but I thought I would check for updates...

I put on my second pair of Bridgestone Dueler A/T REVO's this past winter and have been very happy with them from the start.

But...

This past few weeks I have noticed a spongey feeling that I couldn't figure out.  Tonight I parked in the garage and then later had to go back out to get something out of the AV and noticed right away that she was BLEEDING!!!!  Puddle of what looked like oil under the front end!!!  But then I noticed it was really close to the tire and not under the engine.  Further inspection showed and oily "splash" up from the bottom rear of the driver side inner fender.  I looked underneath and as far as I can tell the front driver shock has blown.  I always park in the same spot and make a VERY serious habit of checking for "puddles" anytime I park ANYWHERE.  This is the first is has "leaked" like that.

So... looks like I need some shocks.  I had the passenger side replaced under warranty long ago when I noticed it leaking during and oil change.  All the others have 85K on them. 

I have read this thread and it looks like the Monroe Reflex or the Rancho 9000's are the way to go... but which?

I have a set of 9000's on my Z71 Sierra and have never cared for them.  In fact, i never was able to tell a difference in the adjustments!

I like the stock ride of the AV, I don't mind a firm rideas long as it is not harsh.

My question to any who care to answer is if you bought the Rancho's or the Reflex's, are you still happy with them?  Is there anything else out there that I should consider?  As I said, I like a firm ride; like to be able to feel the road like I like to be able to hear the engine.I like to know "what's going on down there".

Any suggestions?   Huh

Thanks!

Craig
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« Reply #98 on: 04/08/06 08:42 AM »

I would recommend the reflex shocks,I don't have them but I sell lots and no one has ever come back complaining! the rancho 9000's are excellent as well but if you don't offroad ! can see no benefit of buying such an "offroad shock". the technology of the reflex does everything that the ranchos do , just automatically,unless you buy the incab controller you'll have to crawl under your truck to change the settings on the ranchos.only negative to the reflex is warranty issues,if you have a problem you'll have a tough time getting satisfaction. as an example,if you blow one shock with say 25,000 miles on it you can't replace them in pairs,they'll only replace the blown one!shocks wear out over time so when you replace just one you get funny handling! on my own vehicle I have KYB MONOMAX ,best warranty in the buisness "lifetime,no questions asked" if you don't like the ride after installation , they will exchange or refund your $$$$$$$$, monomax are also "smart" shocks ,excellent ride and control.web site is WWW.KYB.COM and WWW.SUMMITRACING.COM sells em' for $49.95
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« Reply #99 on: 04/09/06 06:41 AM »

I need to replace the shocks on my '02-Z71.  I don't offroad much (almost never) so I am looking at the Monroe Reflex shocks.  I called Monroe and they suggested the Monotube shocks, #911505 front and #911506 back.  Has anyone used these?  What is the difference between the different Reflex shocks?

Also, what shocks are MONROE Reflex, under their brand name (i.e. NAPA?)
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« Reply #100 on: 04/09/06 08:03 PM »

Thanks Jimbo- that is some great information!

 chevy
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« Reply #101 on: 04/20/06 09:47 AM »

Woops!!!  I hope I didn't make a mistake today! For my truck to get inpected the chevy dealership said that i needed a front shock and a rear shock because they were leaking!  I sais all right. how much extra?  The manager said well it will be about 500 dollars over cost of inspection and emision price. I about blew a gasket in my head.  My mouth dropped!  I was kinda peeode!  I told him that was down right robbery.  he did had no reply!  I told him well just fail it and I will get 4 shocks and do it myself!!! Well i went to advanced auto wich is almost excatly acroos the street from the dealership and bought Monroe Sensa trac shocks. I can't pick them up till tomorrow.  But after reading this i think i should have bought the Refelx.  My question know is this!!  Does anybody know if these shocks are adiquite for my truck and average everyday driving or should i cancel this order and order the Refex.  Please  Help me!  !!!
Thanks.
SRG
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« Reply #102 on: 04/20/06 05:17 PM »

From Monroe.com Click Here

Monroe Reflex®
  Maximum safety through greater stability and control without sacrificing comfort.

Monroe® Sensa-Trac®
  Premium shock absorbers for drivers who want ultimate comfort with added control.

Both have truck versions.
 
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« Reply #103 on: 04/22/06 05:43 AM »

Woops!!!  I hope I didn't make a mistake today! For my truck to get inpected the chevy dealership said that i needed a front shock and a rear shock because they were leaking!  I sais all right. how much extra?  The manager said well it will be about 500 dollars over cost of inspection and emision price. I about blew a gasket in my head.  My mouth dropped!  I was kinda peeode!  I told him that was down right robbery.  he did had no reply!  I told him well just fail it and I will get 4 shocks and do it myself!!! Well i went to advanced auto wich is almost excatly acroos the street from the dealership and bought Monroe Sensa trac shocks. I can't pick them up till tomorrow.  But after reading this i think i should have bought the Refelx.  My question know is this!!  Does anybody know if these shocks are adiquite for my truck and average everyday driving or should i cancel this order and order the Refex.  Please  Help me!  !!!
Thanks.
SRG

Good question......if you stick with the Sensa Trac....make sure you let us know how they work out and if it softens the ride a bit.
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« Reply #104 on: 04/25/06 07:39 AM »

Hey guys have the shocks but have not been able to but them on or do anything else to my truck that i have been wanting to do.  I will let you all know how well the shocks feel after instalation.

SRG.
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« Reply #105 on: 04/25/06 07:46 AM »

I had the Reflex on my Explorer, and it made a hugely noticible difference.  It eliminated a lot of the wallowing and rocking, without stiffening up the ride.  I'm a little disappointed with the Bilsteins on the Av, they're way too soft.  I'll probably go to the Monroe's when it's time. 
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« Reply #106 on: 04/26/06 12:15 PM »

Hey guys!!  I put my shocks on this morning!  They feel great.  I think they are better then the bilistens from factory.  I only have about 5 miles on them so far.  More riding will tell.  Well talk to ya later and i will keep you up to date.

SRG
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« Reply #107 on: 05/05/06 05:27 AM »

Well know that i have more then 100 miles on my new shocks i wanted to give word on about them.  They don't ride too bad!  I think they mey be a litlle stiffer then stock shocks.  I have been told that they are an uppgraded shock then factory. A heavy duty shock i guess is what they are considered.  I sort of wish i would of cought this thread before I purchased my shocks because I think i would hae went with the reflex. I am not disapionted in them or dissatisfied. i just think I may have gotten a better shock or ride if I would have gone with the reflex from monroe.

SRG.
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« Reply #108 on: 05/31/06 12:23 PM »

Well after reading the many pages about shocks I have ordered the Rancho RSX series. I hope I made the right choice. I spoke with the Summit tech guy, of course they don't carry Monroe, but he said the Rancho RSX may be a little stiffer.

What a great forum we have here. Cheesy This is by far the best forum I have seen, so much depth and so many good members. Even the Jeep forum I check from time to time is not even close to being this helpful and think of the thousands of Jeep owners.
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« Reply #109 on: 06/02/06 05:10 PM »

Last week I got the KYB Monomax shocks put in all around.  It was done because the front driver shock (OEM Bilsteins) were leaking.  The shop gave me a choice of the Monroe's or the KYB's.
First the told them to go with the Monroe's cuz they said that it was a softer ride.  Then 10 mins laster to called and told them to install the KYB Monomax.  Glad I made the call.
Now the AV feels solid...less body lean on turns.  The suspension feels stiffer than from the OEM shocks.  I wish that they were adjustable cuz I wouldn't mind going a bit more stiffer.
OH and BTW...two days before the shocks I got the Bridgestone Dueler Revo's mounted.  They are smooth on the freeways.  With the new shocks, tires and front end alignment my AV rides pretty sweet.   Much better than when I first got her!
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« Reply #110 on: 07/06/06 06:52 PM »

Hey gang, just ordered the Reflex after reading for half an hour on all your comments..... I will post on difference once put on and driven for awhile.... Thanks for all the posts, it made a difference when ordering... I would have tried the RS9000x with controller but Disney World is on the honey-do list for this year  Help me!.... I don't do crowds well....

THANKS FOR THE ADVICE, IT WAS VERY HELPFULL!!!!
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« Reply #111 on: 07/06/06 07:50 PM »

I've had the Reflex on the front of my Z-66 for about 8 months(2500 miles) and really like them.   If I want a really soft ride I just drop tire pressure to 30psi, otherwise I run 37psi in my Revos.
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« Reply #112 on: 07/13/06 06:01 PM »

K, that wasn't too bad.. floor jack on frame for the front shocks. Tires didn't even need to come off the ground to R&R shocks. Didn't tighten the rear bottom enough, rattled a little, fixed tonight. Rides like new. Can't really tell a difference except the rattling in the front end is gone. 80K miles, back OEM shocks were fine, front right was fine, front left was shot, that must have been the rattle... FYI anyway....
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« Reply #113 on: 07/17/06 07:53 AM »

EBAY ITEM NUMBER

150008683370

Best price on front and rear OEM shocks with no miles

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« Reply #114 on: 09/12/06 07:58 AM »

Just installed set of 265/70/17 Goodyear Forteras along with Napa Sensatrac shocks and the ride on my 04 Z71 Av went straight to hell. Tires are very quiet and smooth on super smooth roads but hit a bump at hiway speed and residual oscillation is very noticeable and noisy. I do very little off-roading and a quiet, smooth ride is my goal. Truck has 88k miles.

Anybody with good firsthand knowledge please advise. Thanks in advance!
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« Reply #115 on: 10/01/06 12:45 PM »

I have 70K on my 2004 Z71. The shocks are now affecting braking. I checked pads on front and rear. I was surprised to find they weren't worn much less than the new ones I planned to put on so I just rotated the tires.

Anyway, I have Bilsteins T2N on the front and T9R on the rear. My Ac Delco parts guy can't get them. I have looked on line but can't find this part number. I see there is a 5100 or something like that for the front but not for the rear. ANyone put Bilsteins back on and what did you part number do you have and where did you get them?

Thanks!

Corndog Man
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« Reply #116 on: 10/01/06 08:08 PM »

The KYB's generally use a much smaller diameter piston with higher gas pressure than Monroe's larger piston.   I have the KYBs on my beater S-10 and the ride is to say the least harsh but it is better than bottoming out or getting seasick.
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« Reply #117 on: 10/03/06 12:38 PM »

...ANyone put Bilsteins back on and what did you part number do you have and where did you get them?

Thanks!

Corndog Man

from Performance Products
Fits Applications: AVALANCHE 1500 2002-05 2&4 WD
 
Heavy Duty-Front -- Part Number:  171339 
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« Reply #118 on: 10/06/06 08:49 AM »

Thanks!

I can at least order the fronts. i guess the dealer has the rear shocks or they will be sold at a later date.

Corndog Man
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« Reply #119 on: 10/06/06 09:04 AM »

After only 70k km the original shocks were very, very soft. The car wobbled like an old woman and my wife liked the ride of my Volvo from the '60 better than the Avalanche. SEASICK.

After some investigation on this site and others I replaced them with Monroe Reflex shocks. What a difference. The car is stable in the corners and when braking. furthermore my wife is not seasick anymore. The cornering speed has gone up :-)

So I cannot give my opinion on other shocks than Monroe Reflex, but I will state very clear that the product that was originally installed in the Av (Bilstein?), is a shame to GM.

Regards,
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« Reply #120 on: 11/25/06 12:24 PM »

I have found 4 new Monroe Reflex shocks for $79 for the set.  Good deal?  The stock Bilsteins have roughly 80k, so they are probably due.  Let me know your thoughts.

Thanks - Andy
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« Reply #121 on: 04/12/07 12:33 PM »

Here is one for you guys. I am in the process of buying new shocks for my 02 AV. I have 126k miles on it. They have been great to this point, only the front ones are bad but of course Im going to replace them all.
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« Reply #122 on: 04/16/07 07:56 AM »

I found out this weekend that one of my stock Bilstein front shocks is leaking - front left side!   I guess 36k miles is all they are good for? 

Anyway, after reading the posts on this thread it seems that Monroe reflex is what most are recommending.  I want a smooth ride so that is what I will go with. Question....which ones?  At Monroe's web site there are two shocks listed under the Reflex category.  One are the Monotube shocks which the parts catalog selector picks as the ones for '02 to '05 Avalanches.  Here is the info:

Passenger Cars and Light Trucks - Ride Control Section
CHEVROLET
2004 - Avalanche - 2 W.D.
2002 - 2005 1500 Sport Utility Pickup - Exc.Electronic Suspension
 
 
Highlighted part numbers indicate premium products. 
 
 
Front  911505  REFLEX™ MONOTUBE SHOCK ABSORBERS  911505   
   
Rear  911506  REFLEX™ MONOTUBE SHOCK ABSORBERS  911506

However, there is also a another Monroe Reflex shock called simply the "Truck Shock Absorber"

Which ones are the ones that everyone is going with on their Avalanches?  Also any cheap on-line places to pick these up?  Thanks!

    
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« Reply #123 on: 04/21/07 09:14 PM »

The Monroe Reflex part number for the front is 911505, the rears are number 911506. Both 2 and 4 wheel drive AV's use the same shock. I believe you are looking at the vehicle section and seeing Truck Shock Absorbers on the web catalog. Monroe also offers the Sensa-Trac,  also a premium shock, which is a bit more inexpensive option, but does not have the "reflex" technology.
 
The Reflex shock is designed for high center of gravity vehicles like pick-ups and suv's and is very well liked on the Avalanche as many have noted previously on this thread.
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« Reply #124 on: 04/24/07 06:58 AM »

Okay....I made the plunge and had a pair of the Monroe Reflex Monotube shocks put on the front yesterday.  What a difference!  The ride is stable and controlled and not harsh at all.  Braking has improved tremendously! 

If you are still on the stock Bilsteins and have gotten around 36k miles on them or so, I would highly recommend you go for this switch over.  You won't be disappointed.  As pointed out in the previous post, the part number is 911505 for the front shocks.   thumbs_up
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« Reply #125 on: 04/24/07 02:44 PM »

Okay....I made the plunge and had a pair of the Monroe Reflex Monotube shocks put on the front yesterday.  What a difference!  The ride is stable and controlled and not harsh at all.  Braking has improved tremendously! 

If you are still on the stock Bilsteins and have gotten around 36k miles on them or so, I would highly recommend you go for this switch over.  You won't be disappointed.  As pointed out in the previous post, the part number is 911505 for the front shocks.   thumbs_up

You have a Z66?  Was the ride that much just from changing out the fron shocks? What about ride quality and softness of the ride...hitting pot holes and such?  Why didn't you change out the self leveling rear shocks?  Sorry for all the questions, but I'm all for getting the best and softest (bouncy yet stable) ride possible.

Thanks for any info,

BB
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« Reply #126 on: 04/24/07 07:37 PM »

You have a Z66?  Was the ride that much just from changing out the fron shocks? What about ride quality and softness of the ride...hitting pot holes and such?  Why didn't you change out the self leveling rear shocks?  Sorry for all the questions, but I'm all for getting the best and softest (bouncy yet stable) ride possible.

Thanks for any info,

BB

The ride had noticeably gone down hill lately.  Especially when hitting bumps the front end would make quite a thump.  I suspect that this was primarily due to the fact that the front left Bilstein shock began leaking fluid but I also suspect that both front shocks were nearing the end of their useful life. 

The rear self-leveling shocks are still in fine shape.  I want to get full life out of them as they are expensive replacements unless you do not get ones that have the self-leveling feature.  I think this a great feature if you ever haul heavy loads.  If not, then the self-leveling feature is not important.  If you are ready to change shocks....you won't go wrong with the Monroe Reflex Monotube shocks.
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« Reply #127 on: 07/19/07 06:17 AM »

I've had the Monroe Reflex shocks for just under 2 years on my wifes Avy, and for the last 6 months the ride has been steadily declining.   It drives like a boat and rides like a wagon.   If warranty replaces them I will go with them again, but if I have to pay any labor or anything I'm going with Bilsteins.  

I have the 5100's on my Silverado, and they are great.  
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« Reply #128 on: 07/25/07 01:43 AM »

Are you guys jumping hills or what? I just hit a 100K  Shocked and my stockers are perfect!!! 

03 Z66

~ Cofer
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« Reply #129 on: 07/25/07 02:56 AM »

Are you guys jumping hills or what? I just hit a 100K  Shocked and my stockers are perfect!!! 

03 Z66

~ Cofer
my passenger front started leaking around 115K..  Then again I didnt notice it until the AV was jacked up for a few hours while I painted the calibers..
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« Reply #130 on: 08/10/07 05:15 PM »

Mine have been going to downhill now and i have 152k! Its been feeling different for maybe 10k now especially when hitting speed "humps"(the long ones) my front end seems to jump over those. Its sqeeking too. I hear good things about ranchos and might go that route. But my question is i want to key the front of my truck to level it out. Should i get longer shocks then stock? I need about 1 1/4" till im happy but still a slight rake so i can see the front of the truck. Part #'s? Theres alot of pages sorry. thanks.
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« Reply #131 on: 08/10/07 05:34 PM »

I put the Monroe Reflex Monotube shocks on all four corners and am quite happy.  My '02 Z71 has 44000 miles on it, one shock was leaking all over the place and the ride had turned to crap.

Replaced the shocks and found 2 of four were bad.

Ride now so much better.

Bought mine from Rockauto.com after getting the runaround from Summitracing (they sent me Silverado shocks the first time, returned them to find out the Avy shocks were on back order) and had them in 2 days.  Of course a week after our Chevy Venture van started puking shock oil, so ordered a set of load levelers from Rockauto for the van and got those installed.
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« Reply #132 on: 08/17/07 01:08 PM »

Ok i found on samsrancho.com a set of 4 rancho RSX's for 195.80=free shipping. Cheapest place i have found.

Anyone know when other places are having a buy 3 get one free sale? Or even a place that is cheaper?

Also can i get RSX's an inch or two longer in case i want to get furd keys?
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« Reply #133 on: 09/11/07 09:44 AM »

Any ideas out there where I can get the monro's for the buy three get one offer?  Thanks
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« Reply #134 on: 09/11/07 11:35 AM »

Just bought a pair of Rancho RSX's. Normal price on summitracing 230 for a set of 4. After finding a place for 195 took the print out page to 4 wheel parts to price match and bought them on spot. After 40 mail in rebate i got 4 new shocks for 170.97 thats 42.75 per shock tax included. Not too bad. will post how they feel after wednesday.
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« Reply #135 on: 09/11/07 11:57 AM »

ok .. I looked at them on Samsracho.com ... are they all the same?  he doesn't ask for you specific vehicle so how is he going to know which ones to ship? ...

$350 is a good price for the 9000xl's .....

so can anyone say what the difference is between the 5k and 9k shocks .... besides the 9k being adjustable ... is the extras $ really worth the price on the 9k vs the 5k shocks?
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« Reply #136 on: 09/11/07 05:01 PM »

On samsrancho i emailed him and he said when you go to checkout you enter in your vechile info and they will ship you the correct shocks. Also even though this doesnt apply to us pre 07 AV's they will call or email you if they are more expensive for this such as coil overs or spacers.

I didnt want to wait for shipping and took the print out to 4wheelparts no questions asked. But the only down side i had to pay sales tax then. 14 bucks. But i got them 3 hours later.

Are you talking about the difference between the RS5000 and the RS9000? 5k are the standard run of the mill rancho shock. RSX are a step up and react to the road conditions and are perfect for our (heavy) but light duty truck. 9k allow you to dial in your comfort level but are pretty much RSX's. This is what i was told by the 4wheelparts guy.
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« Reply #137 on: 09/12/07 06:31 PM »

Use rockaouto.com, especially if ur in the midwest>
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« Reply #138 on: 09/12/07 09:34 PM »

samsrancho is located in oklahoma.
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« Reply #139 on: 09/13/07 09:48 PM »

Ok just replaced the rears and WOW. What a difference. Before I would bounce on the back and jump off and it would continue to bounce 4 times afterwards now it just stops at the top with no bounce. Awsome.
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« Reply #140 on: 09/20/07 02:15 PM »

Ok,
I'm jumpin' in like everybody else.   My02 Z 71 has 82,000 and I just noticed the left front leaking like crazy!
I guess I will follow the pack and get the Monroes.   Looks like the most popular/affordable for me.
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« Reply #141 on: 10/15/07 12:38 PM »

Here I am Oct 15, 2007 and I am sure you have all heard it before.   What shocks do I go with?  I am not looking for in cabin adjustments or under the car adjustments. . . bascially I want no adjustments period.   I am looking to replace the worn shocks with a good replacement shock (highway represents 99 % of my drivintg) that will last me another 50 K miles without costing me a lot of money.    Monroe website says 40041 in the front and 40042 in the rear.   Am I good with these?

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« Reply #142 on: 11/29/07 02:08 PM »

I just found this board, and it looks AWESOME!  Gret help, and advice.

From my research and the recommendations from the majority of the board, the recommendation seems to be the Reflex Monotube Shocks - 911505 for the Fronts, and 911506 for the Backs.   I couldn't find the 40041/2's you referenced on the Monroe website.

$57. 79 at RockAuto. com, $63. 20 at Strutmasters, $64. 41 at Shockwarehouse.

Hope that helps. . .

GO BRUINS! Beat the Trojans, but fire Coach Dorell

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« Reply #143 on: 11/23/08 07:10 PM »

o man i have 93,000 miles on my Z71 AV this is the second time  replacing the shocks. the first time I put on the oem Bilstein and they lasted less than 30K. My man at the Chevy dealer said that unless you do a decent amount of off roading the seals start to go bad from lack of travel. Now just to get this strait I drive my truck HHHHHHHHHHHHHHHAAAAAAAAAAARRRRRRRRRRRDDDDD real hard i love blasting around turns and I hit 100 at least once on my drive anywhere. I live in Bethesda MD and almost always take the turns from Wisconsin ave to Colesville rd above 80. This would make me think that i give my shocks enough travel between hard turning and my break neck weaving. i also blast down dirt roads about 50. What would be a good shock for me? I hear the ranchos are nice and stiff.  anyone with the same driving styles have any advice on shocks that hold up?            PS if you see a black AV with a bloodhound sticker on the back  thats me! and i drive fast because my dog likes the wind in t his ears.                AND BILSTEINS Are GARBAGE don't waste your money.
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« Reply #144 on: 11/24/08 04:11 PM »

I just picked up a set of Monroe Reflex Monotubes and will probably slap them in on Turkey day. If I push on the front of the AV it bounces a few times  Cheesy
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« Reply #145 on: 11/24/08 09:21 PM »

I've had the Monroes on for about 3 weeks now and man, what a difference over the crappy stock Bilsteins. The truck rides/drives like it did when it was new. My passenger front shock was locked up and had started leaking and I only have 55k on the odometer.

The Bilsteins that came on my Z85 suspension 94 Sonoma still rode like new when I sold the truck at 96k so obviously the General cheapened them a bunch between 94 and 02.
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« Reply #146 on: 11/25/08 07:51 PM »

My OEM Bilsteins are shot and one front is leaking at 80 k , have been bad since at least 60k the way the truck rides and the rear suspension bounces around rough turns.
I'm sure new ones will make a HUGE difference!


I was going to get the OEM replacement Bilsteins from Auto Zone ($60 ea) but I will go with the Monroe Sensi trac or Reflex after seeing this thread. 

Muffler Man will intall the Monroes for $290 OTD with lifetime replacement warranty.

Will do a little more research and checking around first.

Thanks to all that posted.  Smiley

Jim

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« Reply #147 on: 01/07/09 06:26 PM »

I replaced mine with the Monroe Reflex for $325 OTD at Muffler man, i could have bought the shocks at Auto Zone or Advance auto for $240 + tax but for the $60 extra i just bought and had them installed them at the Muffler Man.

Other places wanted upwards of $550 to install a set.

BTW Bilstiens could be had at Auto zone also for $60 each.

The front pass side OEM was locked up others didnt seem to be faulty but did give a poor ride, it is improved now but not by a great amount.

Jim
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« Reply #148 on: 03/07/09 12:15 AM »

Well, at 76K miles, I finally put on new Edelbrock Performer IAS shocks on my '02 Z66.   I already like the ride.  The stock Blistiens were wearing out, but I didn't see any fluid leaking.  The Edelbrock's are a litte stiffer up front.  The rear are not self-leveling, but I've towed so infrequently , I couldn't justified spending the bucks for that feature.  I did the job this afternoon and drove around a bit afterwards....  so far, like I said, I'm impressed.   Cost was $85 each and I bought at http://www.eshocks.com/.    Now for a refreshing drink....
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« Reply #149 on: 03/11/09 05:59 PM »

I put the Monroe Reflex shocks on my '03 Z66 (53k mi) about a month ago.  Got them on-line for about $240.  These are not worse than the originals, but I can't tell that they are any better.  Maybe my old shocks still had some life in them.
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« Reply #150 on: 03/14/09 01:58 PM »

Well, at 76K miles, I finally put on new Edelbrock Performer IAS shocks on my '02 Z66.   I already like the ride.  The stock Blistiens were wearing out, but I didn't see any fluid leaking.  The Edelbrock's are a litte stiffer up front.  The rear are not self-leveling, but I've towed so infrequently , I couldn't justified spending the bucks for that feature.  I did the job this afternoon and drove around a bit afterwards....  so far, like I said, I'm impressed.   Cost was $85 each and I bought at http://www.eshocks.com/.    Now for a refreshing drink....

I had Edelbrock IAS shocks on my 2000 Z71 Silverado. Put them on when the truck was still new. Tremendous improvement over the Bilstien knock-offs GM was using at the time. Still working well when I sold off the truck last March.
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« Reply #151 on: 03/24/09 09:24 AM »

This past weekend I installed 4 new Monroe Reflex monotube shocks on my 2003 Z-71. What a huge difference in ride and handling compared to the old Bilsteins. Granted they had 76,000 miles on them, and one was totally blown out. The new shocks really do a nice job controlling the sway, and tossing that I had before on uneven roads,  I also notice the handling is much flatter through the curves.

The install was not bad thanks to air tools and nice weather in Ohio. Please keep in mind, and as it has been noted on this forum, the new shocks do not come with the correct rubber spacers, or a metal bushing to accommodate the shock rod on the front shocks. I ended up using my old parts for that. But as noted on here-- these parts can be obtained at my friendly Chevy dealer.

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« Reply #152 on: 03/29/09 09:47 PM »

I need to replace the front OEM shocks on my 2004 Z71 . The passenger side looks easy enough to access, but the driver's side seems a bit crowded under the hood and I have fat hands. Any hints on the best way to remove the top mount? Or is easier than it looks? I couldn't find a post with the R&R procedure here and it would be helpful.

Thanks,

Rob
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« Reply #153 on: 03/29/09 11:48 PM »

Hey guys this is my first post! Wave I'm planning on getting an Avalanche soon so I've been researching and reading the forums.

Anyways, I came upon this promotion that Rancho is coming out with on April 1st 2009! Its called the "“Shock and a Half! Offer”. Basically when you buy 2 qualifying shocks, they rebate you half the cost of the second one.

http://duneguide.com/news/2009/02/new-spring-shock-promotion-at-rancho.html

Look for the actual rebate form and more info on the Rancho site on April 1st.



Mods if this is posted on the wrong thread I apologize in advance!
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« Reply #154 on: 04/01/09 09:28 AM »

It is not a bad job- fronts were easier than the rears- though I did pull off the front tires for easier access. Do it on a warm day- that way the plastic inner fender is nice and flexible and you can push it out of the way, and just access the top of the shock from the outside.

There is a great link on here somewhere for shock install intructions that you can print off, it has the torque settings, and the entire procedure.

You will love the Reflex shocks, make sure you get the monotubes. I ordered mine from Rock Auto, they shipping two 2days.

Good luck




I need to replace the front OEM shocks on my 2004 Z71 . The passenger side looks easy enough to access, but the driver's side seems a bit crowded under the hood and I have fat hands. Any hints on the best way to remove the top mount? Or is easier than it looks? I couldn't find a post with the R&R procedure here and it would be helpful.

Thanks,

Rob
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« Reply #155 on: 04/04/09 04:46 PM »

Thanks Avantiguy.  Going though the fender well worked great. I didn't even have to remove the tires. I bought the Reflex monotubes from Amazon.com of all places. Shipping was free and they arrived in 3 days.

Rob
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« Reply #156 on: 04/12/09 05:56 PM »

 2002 Z71 with 150K+ on original Bilstiens. I think one is just starting to leak. This truck has been on and off-road  tho no SERIOUS off-roading. I think I'll stick with the Bilstiens. Smiley
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« Reply #157 on: 04/30/09 06:34 PM »

would those same part #s work for a 2007 av?

if not what would fit a 2007
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« Reply #158 on: 05/12/09 02:05 PM »

I had the edelbrock IAS shocks on for my second set and I liked them better than the Z71 stock shocks.  I just puton my 3rd set and went with Rancho RS5000.  I've only had them on for a week and LOVE them!
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« Reply #159 on: 05/12/09 05:06 PM »

I had the edelbrock IAS shocks on for my second set and I liked them better than the Z71 stock shocks.  I just puton my 3rd set and went with Rancho RS5000.  I've only had them on for a week and LOVE them!

Better than the Edelbrocks? Just curious.
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« Reply #160 on: 05/20/09 10:24 PM »

Thought I'd piggyback my shock adventures in this thread rather than start a new one.

So my 77k mile Z71 had gotten pretty floaty.  I replaced the stock shocks with Monroe Reflexes.  The ride became very stiff.  There was great control and I could bomb down fire roads like crazy but it transmitted all the road jiggles to the cockpit.  Now I read that everyone else loves their Reflexes because of a smoother ride?  I'm confused.

So I put in a set of Bilsteins.  No, these definitely weren't the factory Bilsteins.  Now it's squishier than before--the back drops noticeably with two dirt bikes in the back and I can't go down fire roads as quick as before. 

I haven't been happy with either of these...and I'm confused because my experience seems different than everyone else's. 

Are the Bilsteins adjustable?  Can I stiffen them a bit? 
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« Reply #161 on: 05/27/09 11:56 AM »

Hello all, It's been quite awhile since I posted anything on here but needed new shocks for my 02 I purchased on 9/10/01. (95,000 miles)
After going threw all the threads I decided on the Monroe Reflex. I just placed an order at Rock Auto and thought I got a pretty good deal. I will end up paying right at $50.00 a piece shipped to my door. Does that sound about right? You can do a search and get a discount code when you order plus Monroe has a $20.00 mail in rebate which will bring the total down to right at $201.00. Anyways I hope I like them as well as a lot of you all do. Don't do a lot of off roading but every now and then a few beers with the boys and off roading we go. LOL Anyways I'll post after I get them and installed and let you know how I like them. Later
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« Reply #162 on: 07/03/09 01:04 PM »


I'VE READ THROUGH MOST OF YOUR POSTS ABOUT WORN SHOCKS. I REPLACED MY FRONTS TODAY WITH KYB GAS A JUST. THE FACORY BILSTEENS WERE TOTALY SHOT, ONLY 60,000KM (36,000 MILES). 1 WOULD BOTTOM OUT AND NOT RETURN, THE OTHER TOOK NO EFFORT IN DECOMPRESSING IT.

THANKS TO ALL WHO POSTED, IT HELPED AS I'M NEW TO THE AVALANCHE GROUP.
FIREDUDE
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« Reply #163 on: 07/03/09 02:55 PM »

5 years later I'm still happy with my Monroe Reflex (knock on wood).  I'd get them again   Thumbs up!
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« Reply #164 on: 07/04/09 01:04 PM »

I'VE READ THROUGH MOST OF YOUR POSTS ABOUT WORN SHOCKS. I REPLACED MY FRONTS TODAY WITH KYB GAS A JUST. THE FACORY BILSTEENS WERE TOTALY SHOT, ONLY 60,000KM (36,000 MILES). 1 WOULD BOTTOM OUT AND NOT RETURN, THE OTHER TOOK NO EFFORT IN DECOMPRESSING IT.

THANKS TO ALL WHO POSTED, IT HELPED AS I'M NEW TO THE AVALANCHE GROUP.
FIREDUDE

Never know. The factory Bilsteins on mine lasted over 100k. In fact, I've still got them because they aren't leaking and are just a tad slow on rebound. I put the same Bilsteins back on it and she rides like a Caddy. Can't wait to replace the Sach load-levelers on the back. They are only $250 a piece!
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« Reply #165 on: 07/07/09 04:23 PM »

Well sfter replacing the front shocks with KYB's, it stopped the front end bounce. Now I sure notice the bounce in the rear suspension. Picked up rear KYB's today. Going to install them tonight. Lets see if it makes a big difference. Will keep you posted.

Firedude

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It sure made it easier changeing the front up shock bolts by going through the inner fender.
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« Reply #166 on: 07/07/09 06:10 PM »

Just put on the Monroe Reflex yesterday and liked the ride today Thumbs up!.  $53 apiece on Amazon with free shipping
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« Reply #167 on: 07/07/09 06:15 PM »

Never know. The factory Bilsteins on mine lasted over 100k. In fact, I've still got them because they aren't leaking and are just a tad slow on rebound. I put the same Bilsteins back on it and she rides like a Caddy. Can't wait to replace the Sach load-levelers on the back. They are only $250 a piece!

Just put the Bilsteins on the back as well - I really didn't notice a difference in ride.  Load with the trailer really didn't show a big difference either.
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« Reply #168 on: 07/08/09 07:55 AM »

WHAT A DIFFERENCE IN RIDE QUALITY AFTER INSTALLING THE NEW REAR KYB'S. NO MORE VEHICLE SWAY OR BOUNCING. MUCH BETTER. VERY HAPPY WITH THE SHOCKS I PURCHASED.

FIREDUDE : Thumbs up!
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« Reply #169 on: 07/09/09 04:01 PM »

tks -- goes in the mental file for future reference
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« Reply #170 on: 07/12/09 07:09 PM »

Today I replaced the original Bilsteins (57K) with a set of Monroe Reflex monotubes all around on my Z71.  The truck was floating and swaying and making me seasick.  The rears were pretty worn - could compress them with two hands and not much effort.  I don't offroad much but have done some towing and the roads around here are pretty lousy too, so it was about time (5 years seems about right).  On the fronts I reused the original upper insulators because they look beefier than the new ones that came with the Reflexes.  The original right front had what looks like a urethane spacer that centers the upper shock shaft in the frame hole.  The left front didn't have one.  A couple of years ago the dealer replaced the left front shock because it was leaking.  I guess the tech didn't put the spacer back on.  I centered it by hand before dropping the truck back down.  Hope it doesn't flop around in the frame hole.

If you're DIY it's not that hard to do with hand tools.  Tips: rears can be done easily without jacking the vehicle.  I installed the upper bolt first then cut the packing straps and used a large flathead screwdriver to align the lower holes, just don't let the bottom end get away from you when you cut the straps because it's near impossible to compress it by hand when you're lying on your back under the truck.  I aimed it for the mounting point, cut the strap and let it settle into the slot, then wrenched it up with the screwdriver and shoved the bolt through.  For the fronts you'll want to jack the vehicle both for clearance and to align the lower mount (use a jack stand for safety).  For the fronts invest in a gear wrench for the upper bolt (15 mm), it was only about $15 at Sears and it's definitely a must-have because you'll also need a pair of locking pliers in one hand to keep the shaft from spinning while you loosen/tighten the bolt with the wrench.  I tried to do it first with a conventional wrench and it was not a happy time, so off to Sears I went.  Douse the bolts with PB B'laster to unlock them if they are frozen.  I had one that wouldn't budge until I soaked it and abused my torque wrench to break it loose.  Other than that no problems.

Ride and handling are MUCH improved.  Shocks go bad so slowly you don't realize how bad they really are until they are replaced.  The Reflexes seem like a good fit for the Av.  Hope they last at least until I can afford a new Av (assuming GM's still making them by then!).
« Last Edit: 07/12/09 07:42 PM by MLM » Logged

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« Reply #171 on: 07/30/09 02:02 PM »

My Rancho RS5000's bit the dust on my way home from Cali a couple weeks ago. I think the 110+ temps and the crappy roads did them in. I was driving home on 99, and when I went to change lanes I hit the grooves from the semis and my Av felt like an old 72 caddy. Every time I hit a bump when turning my tires rub. It just totally sucks. My rancho's I installed back in 2005 and they have over 60k on them. So I am upgrading them to the Rancho 9000XL Adjustables. Those things are awesome. I helped put a pair in a members Av in Salt lake and I was very impressed. And when you buy a set of 4 you get the $259.00 remote adjuster for free.
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« Reply #172 on: 07/30/09 02:29 PM »

I had 9000's on my 03' suburban, they were great.  Thinking I will replace the shocks on my 09' Avy LT with the Ranchos when the time comes.  Remote adjuster would be nice for switching on the fly on/off road.
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« Reply #173 on: 08/18/09 10:25 AM »

Hey I just got a call from the chevy dealership and they told me both my front shocks are leaking. Its an 07 and i bought it used with 50,000 miles on it. I was very surprised that this would happen so soon. Has anyone else experienced this problem? possible manufacturer defect?
Also the dealership is telling me it will cost 431 plus for just 1 shock plus labor. does any one have an suggestions where i can find a cheaper but reliable alternative? Your help is much appreciated.
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« Reply #174 on: 08/18/09 11:40 AM »

seechbr,

Replaced mine last year, they had a littler over 40k on them. My mechanic recommended KYB's. Had them installed for under 300.

Brian

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« Reply #175 on: 08/18/09 12:56 PM »

It all depends on what you want for a shock. You can get cheap ones that will last a while and give you a decent ride. If you are just a street rider and want to have a softer ride. I would tecommend the KYB's, they are a very nice shock for the money.
I am more of an aggressive kind of setup person and want to have adjustibility. That is why I am going with the Rancho adjustibles.
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« Reply #176 on: 08/19/09 03:09 PM »

Hey I just got a call from the chevy dealership and they told me both my front shocks are leaking. Its an 07 and i bought it used with 50,000 miles on it. I was very surprised that this would happen so soon. Has anyone else experienced this problem? possible manufacturer defect?
Also the dealership is telling me it will cost 431 plus for just 1 shock plus labor. does any one have an suggestions where i can find a cheaper but reliable alternative? Your help is much appreciated.

I might suggest you crawl under there and take a look for yourself. Any shop that would quote $430 for a single front shock replacement on your truck is probably lying about the need for them as well.
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« Reply #177 on: 08/19/09 03:53 PM »

If you are mechanically inclined you can do the job yourself for less then $400.00. But to pay over $1200.00 for a set of shocks is a complete rip off. I would take it to a Tire shop and have them look at it.
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« Reply #178 on: 08/19/09 06:00 PM »

If you are mechanically inclined you can do the job yourself for less then $400.00. But to pay over $1200.00 for a set of shocks is a complete rip off. I would take it to a Tire shop and have them look at it.

That would be $1324 for parts for a set of four! Notice he was quoted $431/front end shock PLUS labor! I emphasize front end because it takes any question about expensive autoride rears out of the equation.

Run for your life....go anywhere but that ripoff dealer! Even at retail I don't see high end shocks going for more than $100/ea....plus installation
« Last Edit: 08/19/09 06:09 PM by ltxi » Logged

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« Reply #179 on: 08/25/09 08:53 AM »

Yah, Im definitely not taking it to the dealer that price is ridiculous compared to what ive heard from local tire shops. Im not sure what to do now though Im leaning towards the monroe reflex shocks but not sure if i should order them online and have them installed of just get it all done at the shop. NTB is quoting 263 for parts and install on the fronts with the monroes. Pepboys just told me only 40 bucks for install. If I do just order them online what exactly am i looking for? just shocks and not struts as well correct? Sorry for my ignorance never had to replace these before. Any advice would be appreciated.
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« Reply #180 on: 08/25/09 09:01 AM »

Sorry for all themultiple posts but now my mechanic is telling me that there is a break from the 06 to the 07 and that the monroe relfexes im asking about, might not fit and depending on the suspension code it could be almost expensive as the dealer was telling me. Does anyone with an 07 5.3Liter 4wheel drive have any experience with this? Ive gotten a wide range of quotes in the past few days and am gettign a bit confused.
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« Reply #181 on: 08/25/09 09:15 AM »

Here is a link to the whole set at Summit racing.com http://www.summitracing.com/parts/EIB-38107-840/. That is fronts and rears for $459.00. Then you just need to have them installed. Go to a local tire shop or mechanic.

Good luck
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« Reply #182 on: 08/25/09 03:29 PM »

Have you figured out yet whether you actually need them or not?

Bilstein OEM HD replacements for 2007 and later AV: F4-BE5-E374-HO front / F4-BE5-E380-HO rear @ $154/$135 msrp....non-autoride on the rears of course.
« Last Edit: 08/25/09 04:29 PM by ltxi » Logged

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« Reply #183 on: 08/27/09 08:59 AM »

Rancho RS900XL are great. Fully adjustable!
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« Reply #184 on: 08/27/09 05:43 PM »

Rancho RS900XL are great. Fully adjustable!

Problem appears to be that the NBS uses different shock/strut/spring "stuff". Haven't had time to fully figure it all out yet.
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« Reply #185 on: 09/02/09 06:52 AM »

Amazon.com has the Monroe Reflex Monotube shocks on sale right now - both front and rear as follows:

Front  911505  REFLEX™ MONOTUBE SHOCK ABSORBERS  911505   - $53.35 each
   
Rear  911506  REFLEX™ MONOTUBE SHOCK ABSORBERS  911506    - $53.35 each

So you could replace all four shocks for a little over $200 plus labor if you went this route.  Just thought I would through this out there for anyone interested.   Thumbs up!
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« Reply #186 on: 09/02/09 07:02 AM »

These are the ones I am going with thru Summit racing.  Beatinghttp://www.summitracing.com/search/Year/2002/Make/CHEVROLET/Model/AVALANCHE-1500/Department/Chassis-Suspension/Section/Suspension-Components/Part-Type/Shocks-and-Struts/Amount-Raised/1-3-in/?Ns=Rank|Asc They are for a 1-3 inch lift up front. The rears are also on their site for just over $52.00 each. I purchase as much as possible from this site because they have awesome customer support. They also have very good products and prices.
And no I do not work for them.
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« Reply #187 on: 09/04/09 06:23 AM »

i think your making a mistake... Bilstein shocks are probably the best out there.  Ive bought a set for all of the family vehicles.  I wouldnt buy anything else.  Your decision though.
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« Reply #188 on: 09/04/09 08:00 AM »

My Bilsteins lasted a lot shorter then the rancho RS5000. I put on a new set of Bilsteins at 55k. Which was 13k after I bought the Av. I did not know any better at the time and the dealer did it under warranty. At 95k they were shot, so I drove on them until just over 100k. That is when I installed my Rancho's. They died about 1500 miles ago. So now I am going to try KYB, I use to use KYB on my Z-cars and my Honda's back in the 80's when I was Autocross racing. My wife's Honda has KYB struts and they are still good after over 100k.
So I am going to go with these, if they don't work then I will try something else. Maybe I am just way to hard on my suspension. I do tend to use my Avalanche as truck.
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You cannot help the poor by destroying the rich.
You cannot strengthen the weak by weakening the strong.
You cannot bring about prosperity by discouraging thrift.
You cannot lift the wage earner up by pulling the wage payer down.
You cannot further the brotherhood of man by inciting class hatred.
You cannot build character and courage by taking away people's initiative and independence.
You cannot help people permanently by doing for them, what they could and should do for themselves.
.....Abr
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« Reply #189 on: 09/04/09 08:22 AM »

I went with kyb's.. no complaints so far.  Thumbs up!
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« Reply #190 on: 09/05/09 09:52 AM »

I just installed my KYB's last night. It is a 2 man job and you need Zip ties. I was unable to just push the top of the shock in and then compress it. I had to have my friend compress it by basically applying all his upper body weight on it. then when he got it fully compressed I wrapped Zit ties around it to hold it compressed. Then we put it in place, ran the bottom bolt through and cut the zip tie.
But it was worth it. The front of my Av is rides nice again. It does not nose dive when I hit the brakes. I can't wait to get the rears at the end of the month.
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« Reply #191 on: 09/17/09 12:29 PM »

I replaced all four shocks on my 2002 Z66 with the KYB Monomax and could not be happier.

It was an easy job, as there are no struts involved.

Fronts were only $56 apiece, and the rears were about $47 apiece -- plus shipping.

Got'em from Discount Auto Shocks.com.

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« Reply #192 on: 09/17/09 12:49 PM »

can you still use a stock type shock if your front has been raised with a leveling kit?
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« Reply #193 on: 09/17/09 01:00 PM »

You can, but I would recommend doing like I did and go with the 1-3 lift. My Ranchos were stock and they were completely collapsed and useless when I took them off. The longer ones are a bit harder to install. I had to compress mine on the floor and zip tie it compressed in order to get them in. But dam they work awesome.


And thanks for that site www.discountautoshocks.com, the shocks are $10.00 cheaper then any other site, per pair.
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You cannot help the poor by destroying the rich.
You cannot strengthen the weak by weakening the strong.
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You cannot lift the wage earner up by pulling the wage payer down.
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You cannot build character and courage by taking away people's initiative and independence.
You cannot help people permanently by doing for them, what they could and should do for themselves.
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« Reply #194 on: 09/21/09 08:21 AM »

This weekend I replaced my OEM Bilsteins with Edelbrock Performer IAS Monotube’s on my ’02 Z71. It only has 84K miles, but the passenger side front had started leaking, and the ride was a little bouncy up front.
It looks like it’s been leaking for awhile, and I’ve never noticed.

I have put only 25 miles on the truck with the new shocks, but I am, so far, impressed with the ride. Especially in cornering, and recovery from bumps.
I intentionally took it over a parking lot’s speed bumps a little fast, and at varying angles, and the bumps might as well have not been there.

The only bad thing I have to say about the shocks is there was a manufacturing defect with one of the rear shocks. The bracket that the dust boot attaches to at the end of the rod is a kind of vented washer looking thing. It’s welded on just above the bracket/tube that holds the lower bushing.
On mine, the weld was faulty and the washer is loose. Something their quality control obviously missed.

I’m not going to fight them to get it replaced under warranty at the moment. I’ve wired it in place using those vents so the dust boot fits as intended. And will probably J-B Weld it when I have time.

But I’ve got another problem that I can’t seem to find an answer to.

I’m not trying to hijack the thread. I’m thinking that others may run into the same situation I have, find this thread that has been active for years, and get the answer.

The leaking front shock has damaged the bushing it attaches to. The oil, or whatever that fluid is, has caused the rubber to deteriorate. Not so bad that the bushing is loose. Yet. It still seems well attached for now. But I’m not sure it will remain that way.

This bushing is not included with the shocks. This is the lower bushing, mounted in the lower control arm. Only used in the 4-wheel drive version with torsion bars. From my understanding.

I’ve gone to several online parts sources and cannot seem to find this bushing.
gmpartsdirect.com does not have the correct diagram of my suspension to identify the part.
The only way I seem to be able to replace it at the moment is if I replace the entire lower control arm. Which makes no sense to me.

I have not talked to any parts stores or dealership parts departments.
But maybe I cannot find it online because I don’t know what to call it.
I’m hoping someone here might know. A part number, or even its correct name will help.

Thanks!
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« Reply #195 on: 09/21/09 10:13 AM »

I'm not sure if this is exactly what your looking for but here it is



http://www.autopartswarehouse.com/search/?D=lower+bushing+&Ntt=lower+bushing+&Dx=mode+matchall&Ntk=Main&Ntx=mode+matchall&N=4294962810+1588+9860+5765&Nu=brandsku&Nty=1



Hope this helps you
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Chris

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« Reply #196 on: 09/22/09 07:22 AM »

I've got 30,000 mile on a set of Reflexs that were installed at 46,000 miles and my truck ride is horrible right now on just about any road surface. I don't think there are any leaks. Isn't it a little early to have to replace them? Any thoughts?
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'02 Pewter Z-71, Sport Leather, GM Protection Package, Sylvania SuperStars, Alpine Stereo with XM Radio, Stripeman Purple Graphix, FlowMaster Force II Catback, Putco SS Tubular Grill, CarrieLes Custom Bowtie, Self- Constructed Carpeted Split Mid-Deck, more to follow...
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« Reply #197 on: 09/22/09 07:58 AM »

I've got 30,000 mile on a set of Reflexs that were installed at 46,000 miles and my truck ride is horrible right now on just about any road surface. I don't think there are any leaks. Isn't it a little early to have to replace them? Any thoughts?

It could have to do with a combination of bad shocks and bad roads. My rancho 5000's only had 60k and the fronts were completely destroyed. They were so bad that they would not extend anymore. When I disconnected them the actually fell out of the truck. My stock Bilsteins had 80k when i removed them and they were in way better shape then my Rancho's. I am now running KYB monomaxx, and so far I am very happy.

So basically your shocks are extremely important to your safety, so change them for your sake.
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You cannot help the poor by destroying the rich.
You cannot strengthen the weak by weakening the strong.
You cannot bring about prosperity by discouraging thrift.
You cannot lift the wage earner up by pulling the wage payer down.
You cannot further the brotherhood of man by inciting class hatred.
You cannot build character and courage by taking away people's initiative and independence.
You cannot help people permanently by doing for them, what they could and should do for themselves.
.....Abr
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« Reply #198 on: 11/02/09 11:13 PM »

Sounds like Blistien or rancho is the way to go.  I like a little stiffer ride with more responsiveness.  What should I go with.
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« Reply #199 on: 12/20/10 09:30 PM »

OK, I have read just about all of the posts on shocks (excellent topic discussions).  I decided on the Monroe Reflex shocks - my question is: I do not need shocks today, but I want to purchase them when Monroe has a promotion (no promo as of today's writing).  How many times a year does Monroe run a promo? 
Do any members have an idea when the next Monroe promo may take place? Wave
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« Reply #200 on: 12/20/10 09:32 PM »

OK, I have read just about all of the posts on shocks (excellent topic discussions).  I decided on the Monroe Reflex shocks - my question is: I do not need shocks today, but I want to purchase them when Monroe has a promotion (no promo as of today's writing).  How many times a year does Monroe run a promo? 
Do any members have an idea when the next Monroe promo may take place? Wave
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« Reply #201 on: 12/21/10 08:43 AM »

what are the smoothest shocks for the street.
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« Reply #202 on: 10/24/11 03:47 PM »

Not very happy with my Monroes', if i was to do it again i would get the replacement Bilsteins.
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« Reply #203 on: 10/24/11 10:11 PM »

I also went with monroe monotubes a couple months ago, makes me want to get rid of the 22's.
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« Reply #204 on: 08/24/12 05:36 PM »

I recently purchased my 2002 Avalance z71.  I saw someone else post that their 02 Avy rides like a brick and that is just how I would describe mine.  It has 144,000 miles and the shocks have been replaced at least once as it currently has Gabriel Ultra shocks on it.  My wife's 05 Tahoe z71 rides way better and so did my 06 Silverado VortecMax 1500 4x4. Every flaw in the pavement seems to resonate thru the dash and seat like it has no shocks but it doesn't bounce like I would expect with worn out shocks.  Is it the shocks or does the avalance just have that much of a stiffer suspension?  Should I replace the shocks?  Any suggestions would be appreciated.
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« Reply #205 on: 08/25/12 07:10 AM »

I recently purchased my 2002 Avalance z71.  I saw someone else post that their 02 Avy rides like a brick and that is just how I would describe mine.  It has 144,000 miles and the shocks have been replaced at least once as it currently has Gabriel Ultra shocks on it.  My wife's 05 Tahoe z71 rides way better and so did my 06 Silverado VortecMax 1500 4x4. Every flaw in the pavement seems to resonate thru the dash and seat like it has no shocks but it doesn't bounce like I would expect with worn out shocks.  Is it the shocks or does the avalance just have that much of a stiffer suspension?  Should I replace the shocks?  Any suggestions would be appreciated.

It's definitley not the stock suspension - the Avalanche rides like a Cadillac compared to the Silverado. I have the Monroe Reflex shocks and they are a lot stiffer than the OEM Bilsteins were. That said, the quality on my OEM Bilsteins was not good - one of the front ones locked up solid very early on and a rear one started leaking at about 40k miles. The OEM Bilsteins I had on my 94 Sonoma were still like new at 96k miles, so GM has obviously cheapened the specifications/quality. I would suggest you look for aftermarket Bilsteins or something other than the Monroe Reflex.
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2002 LPM Z71 - Magnacharger w/3" pulley, TOG's headers, 216/224-.551/.551-115 cam/pushrods/dual springs/titanium retainers, built tranny, Yank TT2600 converter, 24K GVW Tru-Cool tranny cooler, Flex-A-Lites, ProCold intake, MSD wires & TR6 plugs, 20" Panther Juice 6's, 2.8" rear lowering springs, J&J Enterprises stainless grille, body-color taillight covers, custom metal rear step bumper. Self-tuned with HP Tuners software.

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« Reply #206 on: 08/25/12 08:54 AM »

Titans fan  Wave  Welcome!

When I purchased my ’03 Z71 it road too soft for my liking, after having the suspension checked out everything was deemed good and reading on here I went with the Rancho RSX9000's that have 9 way adjustable ride.
Shocks are a personal choice with what you are looking for in performance, soft, handling, off road, and you can go to extreme in handling and off road.
Not being the original owner check to see if any suspension mods have been done?
If all is good and it is time to replace the shocks, research what kind of ride you are looking for and if suspensions up grades choose shocks to match the up grades. 
 There will be tons of in put on what brand to buy and sometimes it is a crap shoot to get the shocks you want for the personal ride you want. So if you know of any other AVY’s, Burbs (1500 AVs and Burbs coil; 2500 AVs, Burbs, and Silverado leaf) or a local meet, go for a ride. There is also tire compound that will determine ride.
Happy Modding
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'03 Z71 Dark Gray Cladded
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« Reply #207 on: 08/25/12 09:32 AM »

Thanks for the suggestions.  The suspension on my 02 Avy is completely stock save for the Gabriel shocks that must be junk.  I think the prior owner must have gone el-cheapo on the replacements.  I am just assuming with 144,000 miles that this is the second set of shocks that have been on the truck. I don't know when the factory shocks were replaced but with the early failure rate I am seeing on everyone elses posts I'm guessing they have quite a few miles on them.  I really am just looking for the best ride possible as I don't really do any offroading.  I will be pulling a 27ft travel trailer on occasion (maybe 6-7 times per year) that weighs approx 5,800 lbs loaded.  We usually don't go more than an hour away.  I am confused as I have read posts that say the Monroe reflex shocks ride nicer than stock and some that say they are firmer.  I don't know what the stock ride feels like but the current ride sucks.  I found some AC-delcos at Rock Auto for about $50 each that are yellow and blue like the Billsteins that are supposedly the replacement for the stock z71 shocks.  Has anyone tried these?
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« Reply #208 on: 08/26/12 02:27 PM »

Are the shocks on your wife's 05 Tahoe OME, if you like them why not for your AVY as long as they are not self leveling shocks? Still try and take a ride if there is any AVY’s on lots and see what is installed. If you do not know what a stock AVY rides like it is hard to choose what brand. Even an OME Z71 rides like a Cadillac. As you have read what one man hates, another man would not buy anything else, personal preference on feel and failure.
You should be good with OME style shocks for what you are towing. You can always install Air-bags if you load up your AVY and boat. 
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« Reply #209 on: 08/29/12 08:31 PM »

Just found Monroe Reflex (911505) for 42.99.  Seems like a great deal! What do you think, I need to replace the front's for sure and don't want to fork out the money for Rancho's even though that's what I really like to get.  Just want a good ride and don't do any off-roading or towing.  I've done a lot of research and it seems to be good and bad.  Right now it feels like i'm riding in a boat, so anything a little stiffer is what I want.
« Last Edit: 08/29/12 08:54 PM by cHaDcLe » Logged

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« Reply #210 on: 08/30/12 06:23 AM »

Just found Monroe Reflex (911505) for 42.99.  Seems like a great deal! What do you think, I need to replace the front's for sure and don't want to fork out the money for Rancho's even though that's what I really like to get.  Just want a good ride and don't do any off-roading or towing.  I've done a lot of research and it seems to be good and bad.  Right now it feels like i'm riding in a boat, so anything a little stiffer is what I want.
I put those same Monroe Reflex shocks on the front of my Av about 40k miles ago and I have been happy with them.  Good compromise between road handling and comfort in my opinion.  I do mostly highway and suburban driving, so if that is what you do, I don't think you will be disappointed.
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« Reply #211 on: 09/02/12 05:37 PM »

I just purchased the Reflex...front and rear....
plan to "try" and install these myself when they get here probably tues or weds...!
« Last Edit: 09/02/12 05:41 PM by bshef » Logged
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« Reply #212 on: 09/02/12 05:46 PM »

Replaced my front and rears with Monroe Reflex. Its so nice to have my ride back
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« Reply #213 on: 09/02/12 07:43 PM »

Well, got the Monroe Reflex's installed yesterday and let me tell ya, HUGE difference! I really like them and are quite a bit stiffer than my oem ones, but this why.  My passenger front was totally dead...no resistance at all. I could move it up and down with two fingers.  It was really bad.  The other was a little weak, but not too bad. Very pleased with these and would highly recommend!
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« Reply #214 on: 09/26/12 03:28 PM »

http://www.monroe.com/assets/downloads/promotions/Monroe_Shocktober_Rebate_US_WEB.pdf

Looks like the 4 for 3 offer is back on  for purchases September 11 through October 31st.
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« Reply #215 on: 12/02/12 09:29 PM »

I just installed a pair of reflex's on the front of my AV.  I've put 500 miles on them so far and really like the improvement in ride (front passenger side also blown). I figured on replacing the shocks when I bought my AV two weeks ago.  I have yet to install the rears.  They will probably go on next weekend.

The install is very easy and straight forward on the front end.  I have read here that it can be done without removing the front wheels.  I didn't try to do it that way though.  Actual shock replacement takes about 15minutes.  The prep time, jacking up the front end, getting tools, cleaning up afterwards, reinstalling tires took about an hour.

Recommendations when doing this job:
1.  Replace the end link bushings on the front sway bar while you're in there.
2.  If possible, get aftermarket shock bushings for the reflex shocks.  The ones that come with the shocks leave a little to be desired.
3.  If using the 'reflex' bushings, be sure to put the big shoulder next to the upper shock mount, and seat them in the hole.  The small shoulder end goes against the washers.
4.  I tried installing bottom of shock first but found it quicker and easier to ensure proper upper bushing alignment and tightening (without over tightening) by securing the top of the shock first, then using a second jack to raise the lower control arm to the shock.

Just my 2 cents.
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« Reply #216 on: 12/03/12 10:22 AM »

In a word, Bilsteins.
Yes
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« Reply #217 on: 12/10/12 03:17 PM »

Go to www.eshocks.com for replacement Bilstiens. Best prices around.

Avalon
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« Reply #218 on: 11/27/13 05:04 AM »

If anyone wants to give themselves an early Christmas present, Summit has the KYB Monomax on sale thru 11/27/13 - buy 3, get one free - total cost for the set was $188.00 delivered.
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« Reply #219 on: 01/06/14 08:49 AM »

Yes, Bilsteins worked well for me!
Very easy to install yourself too!
Toby
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« Reply #220 on: 09/17/14 12:20 PM »

I had the Bilstein 5100 on before I hit the deer, they worked very well. The Monroe reflex are cheaper and they are on sale. So, I am going with the Monroe this time around on my new to me Avalanche.
« Last Edit: 09/19/14 09:25 AM by Willow LS » Logged

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« Reply #221 on: 09/19/14 05:40 AM »

Thinking about swapping mine out and getting a set of the bilstein 5100 adjustables on the front and the 5100s in the rear.
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