Fuel Issues

[acre44]

Can anyone give me some tips on changing out the fuel pump and the fuel pressure regulator on my 99 Grand Prix 3.8 NA? I ordered the fuel pump and regulator already. I removed the hatch door in the trunk area and have accessed the top of the fuel tank and the fuel pump. How do I remove the ring that is holding in the original pump? It looks like one of those locking rings with the a notch in it with two holes in the ends. After I get the ring off then do I just lift it out and put in the new unit? I didn't buy a Walbro I just bought an aftermarket complete pump module.

The fuel pressure regulator looks even harder than swapping out the fuel pump. I can't figure out how that thing is being held onto the fuel rail. I am not to sure how to get the end off with the o-ring on it, it looks like it is a steel line attached to the bottom of it. It is pretty solid and I don't see any nuts or bolts holding it on there.

Any help is appreciated, thanks. :o)

[BNaylor]

Here's link to a procedure to remove the fuel pump assembly with pics:

http://www.automotiveforums.com/vbul...l+pump+removal

Also be sure to remove the battery negative cable first for safety.




Thrasher CAI, DHP v1.0 PCM, SLP Headers,
3.25 SC pulley, CAIT GMAF, 2.5 DP/Hi-Flow CAT,
u-bend delete, 160 TS, ZZP Stage 1 72mm TB,
TB spacer, MSD 8.5mm wires, Autolite 103,
Goodyear Gatorback Serp. & SC Belt,
Nitto NT555R Drag Radials
1/4 ET: 13.210 sec. @ 104.490 mph
0 - 60 ft: 1.945 sec.

[BNaylor]

Originally Posted by acre44

The fuel pressure regulator looks even harder than swapping out the fuel pump. I can't figure out how that thing is being held onto the fuel rail. I am not to sure how to get the end off with the o-ring on it, it looks like it is a steel line attached to the bottom of it. It is pretty solid and I don't see any nuts or bolts holding it on there.

Any help is appreciated, thanks. :o)

Dude, you have come to the right place for advice. The FPR is very easy to remove. At the top you will see a c-clip just like the one on the fuel pump assembly but smaller, of course. Use snap ring pliers and remove the c-clip. Then wiggle and at the same time pull up on the FPR. It comes off the bracket assembly that attaches it to the rail.

BTW - Make sure battery is disconnected and engine is cold for safety.
A little fuel will come dribbling out when you remove the FPR.

Good luck!






Thrasher CAI, DHP v1.0 PCM, SLP Headers,
3.25 SC pulley, CAIT GMAF, 2.5 DP/Hi-Flow CAT,
u-bend delete, 160 TS, ZZP Stage 1 72mm TB,
TB spacer, MSD 8.5mm wires, Autolite 103,
Goodyear Gatorback Serp. & SC Belt,
Nitto NT555R Drag Radials
1/4 ET: 13.210 sec. @ 104.490 mph
0 - 60 ft: 1.945 sec.

[acre44]

bnaylor you are THE MAN! It actually all went pretty well. After reading your replies I thought I can do this. Anytime I save probably more than $100 I am happy.

Thanks for the help!!!