2003 Problems

[jonezy]

Got my '03 Z71 1500 on 2/22/03. Got it home an notice rear differential leaking oil. The next day notice there was no heat to the driver side. AC and Heat to passenger, only AC but no heat to driver. Told they need to order part and bring it back in. I like it but I am nervous!

 

[pedr0]

Hang in there jonezy. Sometimes the first date doesn't work out, but you really hit if off after that.

Take a deep breath, keep us posted and it will all work out.....

 

[gstreak]

Hang on to that dealer satisfaction survey card and don't send it in till you are happy. Remind them that you still have it, too.
I had a loose water jacket plug in the head that I could have tightened myself with a 3/8"drive socket wrench and extension. My electronic key fobs have quit twice on me too. It's only been in twice. I have to go in for the 2500 tank shield recall too. It is still behind the 7 times I went in on my Ford.

 

[RKC_00]

I just picked up my 2003 AV on 2/25/03. I have 120 miles on it and the service 4WD light comes on. Whats with that? I have not even used the 4WD yet. Hopefully this is not the start of a long nightmare.

 

[sandiegoav]

Roadking, sounds like you have been bitten by the bad 4wd dash selector switch. Betcha if you call the dealer and let them know that the "service 4wd" light comes on and you have never used it, they will say "Sounds like a bad switch". This is a known problem in this and other GM 4wd vehicles (had it myself after only 2 weeks)and it is an easy, quick fix. Make sure they have the right part in their hands before you take it in.

Good luck and happy driving!!!

 

[RKC_00]

The AV is going in on Tuesday 3/4/03. I will post the results.

 

[gestry]

Just got back in from admiring my full time DRL's and noticed something I have never experienced before. When I accelerate my oil gage will move up from 40 to 70 as I speed up, then return to 40 when I cruise?? almost time for first oil change so I guess it should be mentioned to dealer. 2003, with no complaints after 3800 miles.

 

[sparkyguy]

Crabby Blue,

1. It sounds like you might have a clogged up oil filter. I wouldn't wait till the oil change to have it checked. Tell the dealer about it. 2. There might also be an issue with the oil pressure releif valve, so again mention it to the dealer. Changing the oil filter will easily rule out #1,

 

[CraigF]

Just got back in from admiring my full time DRL's and noticed something I have never experienced before. ?When I accelerate my oil gage will move up from 40 to 70 as I speed up, then return to 40 when I cruise?? almost time for first oil change so I guess it should be mentioned to dealer. 2003, with no complaints after 3800 miles.

Mine does this too. I just thought it was normal, since this is my first car with an oil pressure guage.

Craig

 

[corkym]

Oil pressure on my 2003 increases also on acceleration. This did not happen on my "02". Drove a 2003 Sierra 1500 HD last week. Same increase.

 

[gestry]

Thanks sparkyguy, put a K&N on last week, and love the new feel. checked everything and all is clean, seems this may be a quirk with the 5.3. I am taking it down to Pat Goss to look at it this week.

 

[RKC_00]

3-4-03 UPDATE
Just got back from the dealer. They found code C0327. They handed me a document with ID # 1243149 which stated 4WD LIGHT, 4WD INOPERATIVE, DTCs C0327, P0836, P0500 (PERMANENT FIX NOT AVAILABLE AT THIS TIME) #03-0-21-001 - (02/14/2003)

I do not have the time right know to type the whole thing in but the jist of the document is that there is a problem with one of the modules and to replace it with a new one at this time is not going to help. So the bottom line is I may or may not have 4WD when I need it and they have know idea when they will have a fix. There only solution was to remove the 4WD fuse so that the 4WD system would be inoperative. If the module failed when in 4WD it would be stuck in 4WD. Then I would not be able to drive it. Not sure what to do at this point. If anybody has experiance with this condition I would appriciate it if you would tell your story

 

[CraigF]

Oil pressure on my 2003 increases also on acceleration. ?This did not happen on my "02". ? Drove a 2003 Sierra 1500 HD last week. ?Same increase.

I called the service department at my dealer. The 2003 is equipped with a "variable pressure guage". He said it will fluctuate between 20 and 60 depending on temperature and RPM. As long as it doesn't go in the red, it is OK.

Craig

 

[DWAYNE]

Hey RoadKingClassic_oo had the same code got the same answer. They checked the connections and cleared the code. One hundred and fifty miles service 4 WD came back up. Reset per manual and has not come back on. Its been about two hundred miles. I am not happy with the answer we are getting from chevy. Which is really no answer on whats going to happen or when. DWAYNE

 

[Nightshark]

Picked up mine on January 17th. Have 4500 miles with no troubles.

I did notice the flickering of my dome lights last night, but no other problems.

 

[bmsc]

I too had the service 4 wd message come, only I was cruising at 70 mph. Had just turned over 500 miles, but it wasn't in 4 wd. I pushed the fuel and mileage buttons on the wheel and it went away. Tried the 4 wd when I got home and it worked fine and message hasn't returned. As far as the oil pressure guage, that's actually how they are supposed to work. My '00 Silverado's guages wouldn't move no matter what you did ( always made me nervous if they were working right). Keep us posted....

 

[RKC_00]

I just got the Service 4WD message again on the way home. That is the fourth time in 5 days. I don't think that it has anything to do with the 4WD itself but with the electronics. I got an email from one of the members that has some insight to the problem and feels temperature has something to do with it. The member has had a similar problem with the service 4WD message and losing all fuctions of the instrument cluster.
How about it is this just happening in the cold states? Can anybody say it happened in a warm climate?

This is a quote from the members message:
"GM is trying to find a solution as quickly as possible, believe me."

Thanks again to the member who gave me there insight to the problem. I hope what I posted does not Jeopardize any future help in any way.

Hey RoadKingClassic_oo had the same code got the same answer. They checked the connections and cleared the code. One hundred and fifty miles service 4 WD came back up. Reset per manual and has not come back on. Its been about two hundred miles. I am not happy with the answer we are getting from chevy. Which is really no answer on whats going to happen or when. DWAYNE ? ? ? ?

 

[avarchitect]

Well, about a month ago I had my service 4WD drive light come on - temp outside 10 degrees F - with a wind chill well below that. Dealership had me bring it in that evening on the way home - checked the code - ended up being a loose connection wire even though the computer gave them the same code that you guys were getting a C0327 code - they only found the loose connection by chance - so the moral to the story - they know that they have problems with cold weather and the 4wd (according to the dealership) but the onboard computer doesn't always know what is going on either - I have been running for over a 1000 miles since then and not a problem with 4wd and I have been using it a lot! (Total Mileage: 5900)

- As for the oil guage - all 2003's gauges move the harder you hit the gas

 

[dvd_rules]

Not for nothing, guys, but it sure sounds like the "first year bugs" are all showing up in the 2nd year.

 

[RKC_00]

This problem I am having is not just the Av but Suburbans, tahoes, Silverados, Yukons, Yukon XLs.

 

[old.ski.bum]

I have 9200 miles on my '03 since 10/07/02. One problem
with the wiring harness coming lose. That's it. No reoccurring '02 problems.

 

[gestry]

Thanks CraigF, makes me feel good knowing it was something GM placed on the dash to make me look. ha. ?Thought it may have had to do with the 2003 fix for the slap found in the 2002. fellow at work with a 2000 silverado thought my AV was ready to blow up. ?told him to trade in and get one.
Thanks again for the help and info.

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[RinconJeff]

All this talk about the oil pressure gauge, I don't know what I would do without it because every car I have owned has one, i.e., Mercedes, Lexus Toyota Ferrari. One thing about it that you should know, the more mileage you have on your oil the more it will go down and that goes for heat as well. I am not sure about the Av but "normal" low end oil pressure in my Mercedes is 3 psi. Once you get your truck "broken in" it will be lower but don't sweat it.

 

[highlander]

I believe this is normal since the oilpump is driven (or at least used to be) off the camshaft or crankshaft, so when rpm increases, so does oil pressure.

highlander

 

[RinconJeff]

I believe this is normal since the oilpump is driven (or at least used to be) off the camshaft or crankshaft, so when rpm increases, so does oil pressure.

highlander

This is correct.