roadrunner777
Full Member
2002 1500 Z71
I replaced the fuel pump and started driving again last week. Everything went fine, so far as I could tell. I have been driving with a 1/4 to 1/2 tank, no issues. So, I went to fill it all the way up today. After the pump shut off I realized gas was pouring out the bottom of the truck. This was with the engine off, of course. Ok, skipping long story of cleanup and getting home. At this point, the fuel gauge is over Full, and if it is parked level or uphill, it's fine, no fumes or any sign of problem. If it is parked downhill, gas comes out from around the front end of the tank.
It seems like the EVAP system is tight, no errors/codes. And I don't think it's the fuel/return lines because it does not leak when it is running on level ground. It is not leaking from the back at all, the filler area is dry.
So... something about the sealing at the pump. The pump went in the tank just fine, I had to apply just about the right pressure to hammer the retaining ring home. I did all that in a nice well lit environment, I cannot believe it is an issue with the rubber pump collar. I did have a time getting one of the electrical connectors to fit. Not the one for the pump/gauge, but the other one which I guess is some kind of pressure sensor. But, it didn't seem like it broke or anything. I just had a tough time getting the connector to fit.
I'm contemplating options now, but I don't have many. The weather is getting too cold for a big job like dropping the tank again. And then... I mean, how do I even test this. I have to get the tank nearly empty to drop it, then fill it up full again on the ground, fix whatever it is, empty it out again to put it back in the truck.
I could run it and keep it below 1/2 tank until spring. At 1/2 tank, no leaks, no fumes. I am in complete denial, the better move is to get it to a shop and have them fix it... might as well let them have it for a week and replace all the rusty fuel and brake lines. but the way this truck has been, I could get all that work done and then the tranny fails. This completely sucks. I have done so much work on this truck in the last month, there has not been a day when I have not had sore muscles from it. New headlights and center console just yesterday. Part of me thinks I should get the gas leak fixed and sell it.
Anyway, I'm mainly posting this to see if anyone has ideas on cause, has had similar problem, etc... Thanks.
EDIT: Yeah, I just got a shop quote of $400. I'm going to take it in.
I replaced the fuel pump and started driving again last week. Everything went fine, so far as I could tell. I have been driving with a 1/4 to 1/2 tank, no issues. So, I went to fill it all the way up today. After the pump shut off I realized gas was pouring out the bottom of the truck. This was with the engine off, of course. Ok, skipping long story of cleanup and getting home. At this point, the fuel gauge is over Full, and if it is parked level or uphill, it's fine, no fumes or any sign of problem. If it is parked downhill, gas comes out from around the front end of the tank.
It seems like the EVAP system is tight, no errors/codes. And I don't think it's the fuel/return lines because it does not leak when it is running on level ground. It is not leaking from the back at all, the filler area is dry.
So... something about the sealing at the pump. The pump went in the tank just fine, I had to apply just about the right pressure to hammer the retaining ring home. I did all that in a nice well lit environment, I cannot believe it is an issue with the rubber pump collar. I did have a time getting one of the electrical connectors to fit. Not the one for the pump/gauge, but the other one which I guess is some kind of pressure sensor. But, it didn't seem like it broke or anything. I just had a tough time getting the connector to fit.
I'm contemplating options now, but I don't have many. The weather is getting too cold for a big job like dropping the tank again. And then... I mean, how do I even test this. I have to get the tank nearly empty to drop it, then fill it up full again on the ground, fix whatever it is, empty it out again to put it back in the truck.
I could run it and keep it below 1/2 tank until spring. At 1/2 tank, no leaks, no fumes. I am in complete denial, the better move is to get it to a shop and have them fix it... might as well let them have it for a week and replace all the rusty fuel and brake lines. but the way this truck has been, I could get all that work done and then the tranny fails. This completely sucks. I have done so much work on this truck in the last month, there has not been a day when I have not had sore muscles from it. New headlights and center console just yesterday. Part of me thinks I should get the gas leak fixed and sell it.
Anyway, I'm mainly posting this to see if anyone has ideas on cause, has had similar problem, etc... Thanks.
EDIT: Yeah, I just got a shop quote of $400. I'm going to take it in.