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I placed the back wheels on the Jimmy on 2 ramps. Disconnected the positive battery post. Took the spare tire down and out of the way. I dropped the fuel tank. On my 4 door Jim/Slt it required loosening the two straps securing the gas tank to the vehicle. I placed a jack under the tank with a 2x4 on the jack to slowly lower the tank. I had to also move the tank to the passenger side to clear a bolt going through the leaf springs on the driver side. I disconnected all the fuel lines, wire connectors, and hose filler clamps leading to the tank and to the fuel pump and lowered the tank some more. One thing right of the bat is to watch the front of the tank as you lower. There is a hose and connector at the very front. I broke the connector of the fitting and that part is 21.00..be careful and try to get to that hose before lowering all the way down. Its a short hose and hard to see at the front of the tank(front = up towards driver)
As I was lowering I notice one of the fuel connectors on the fuel pump was almost broken off. I then knew that was a serious problem and the source of the smell of gas...I barely had to touch it and it fully broke away from the fuel pump. I drained all the gas I could and then pulled the gas tank from under the car. I took the old fuel pump out by taking the o-ring from under the ledge holding the fuel pump in the tank. I called and got several prices on fuel pumps. Local Chevy dealer wanted 385.00..I got mine from oriley for 210.00 with a 1 year warrenty...
I replaced the fuel pump.. reversed procedures and knock on wood, runs like a champ.
If your problem was similar to mine, take the spare down, out of the way, look at the 3 fuel line connectors going into the fuel pump over the back axle. Lightly wiggle them and see if you have the same problem.. I know the fuel pump I took out was good still, its just the piece that broke off of it. I had 144,000 on the orginal, so figured it had done good, since I hear most are replaced at 100,000.
That cleared up the problem. I had a friend help me all day, and thats a good thing not having to crawl back and forth to find tools and with hauling the fuel tank up and down.
I think I spent close to 300.00 and that included lunch for my friend and misc. new tank hose and connectors.
Long day but all in all, feel real good about the fix.
Let me know if this helps you or any advice I am able to give.
TommyD.
tidester, host
SUVs and Smart Shopper
Thanks for any help.
Josh
AJM.
and Congrats on the impending nuptials!
In October it died while I was driving, made a kind of loud humming sound and quit right there in the middle of the road. It started up just fine after a few minutes but had a hard time accererating uphill and acted like it wanted to quit, be we made it home. After taking it to a mechanic we replaced to o2 sesor and it has run fine until a few days ago.
We have had problems with the heater only working when it wants to also. It quits working with no warning and next day works just fine.
The latest issue is a problem starting. It quit in the middle of the parking lot a few days ago. I was able to restart it after a few attempts and it drove fine. The next day it wouldn't start. I let it sit there untill today when I went out and got it to start after messing with it a few times. I turned the key to see if I could hear the fuel pump kicking on and I heard nothing. I then tried to start it to see what would happen and of course nothing just that noise a car makes when it's struggling to start. After that noise went away I heard the fuel pump kick on. I pulled the key out, put it back in, and tried to start it and it started! It's like theres a delay in the fuel pump kicking in. Help me please...the words fuel pump sound expensive, is this just an electrical problem?
Thanks!
My car only gives me a hard time after it sits all night. What do u think?????
I've had 2 fuel pimps in the past 3 yrs, the last one being in July, but there is fuel going thru.
It will act up (a couple of times I did not think it was going to start) and then start fine for several days or weeks before acting up again. It doesn't seem to make a difference whether the engine is cold or hot.
To add information, this is the 4th battery I have had in the vehicle. Each time it just suddenly would not start. Never any warning. Also, there has always been a voltage fluctuation. At night I can see a slight flicker in the headlamps, almost like a pulsing, but it never failed to keep the battery charged.
I basically work out of my truck and can not afford to get stranded. I have been carrying a battery jumper to be safe but if the battery shorts out, as happened before, it will not even start with a jump.
Any ideas?
Thanks in advance!
PS I have a remote starter and we thought maybe it was malfunctioning, so we disconnected it. Not the problem!
Thanks
Easy trick: when the engine won't start, turn on the head lights. If they are dim, you either have a bad battery or connection, probably also at the battery. If they are bright, but dim noticeably when you try to start the car, same thing, either battery or connections.
Thanks for the help. I'll check the headlights and see if the battery is the problem.
Thanks!!!
Just a thought. Good luck!
They aren't cheap, so I wouldn't just change it out, but it is an easy repair. Takes about 5 minutes, tops.
So if the crankshaft position circuit is the problem would if be a fuse or a sensor?