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playa
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PostSubject: Re: Random Stall   Mon Nov 02, 2009 6:06 pm

I wish I took some pics. So, the top end of the pump is attached to the lower via 2 tabs.
Push the tabs in and the top end slides away.
There are two wire connectors at the top (both have plastic pins a green one and a red one that need to be pulled) and those pop out.
There are two hoses that go from the actual pump that's in the canister to the top. Cut whose out because any kit you buy has relacement ones (or they should)
At that point, there should be one more wire connenctor that located at the pump and if I remember right, it has a gray pin. Pull the pin and release the connector and the housing should be free from the canister.
Finally, to free the pump, just wiggle off the filter and it should be fully disassembled.

1 note, I'm doing this off of memory so some specifics may be different but it's essentially all there. I'm actually so "pumped" (pardon the pun) about this that I'm actually buying a couple cars from tw ofriends who ironically had their fuel pumps go out. The shops quoted them $800 and $1000 for their cars to be repaired and they're just giving up. I'm buying these for a $100 each and redoing the pumps via the kits and maybe just flip the cars for some quick cash.

BTW, I did offer to help them, they both declined so I'm doing them a favor and saving the cars from the green mile. headbutt

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1968 Skylark Convertible, HT 3 speed, GS400 HT, Sportwagon 400 & ...
1998 Riviera-111,500 miles - bought it at 19,000 miles
Sandstone Beige 3.8L SC
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cjoform
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PostSubject: Re: Random Stall   Thu Nov 05, 2009 3:04 pm

Ok I've got it figured out. I was testing the wrong wire on the pigtail. I realize now the gray wire is the power wire. The wire receives battery voltage for the pump cycle and mid 11's when being cranked over. I tested the ground, it is good. So I smacked the pump lightly with a rubber hammer and the car fired right up then stalled out a min later. Smacked the pump again car fired then stalled 10 seconds later. Obviously its a bad pump. Thanks for the help.
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albertj
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PostSubject: Re: Random Stall   Thu Nov 05, 2009 8:15 pm

cjoform wrote:
Ok I've got it figured out. I was testing the wrong wire on the pigtail. I realize now the gray wire is the power wire. The wire receives battery voltage for the pump cycle and mid 11's when being cranked over. I tested the ground, it is good. So I smacked the pump lightly with a rubber hammer and the car fired right up then stalled out a min later. Smacked the pump again car fired then stalled 10 seconds later. Obviously its a bad pump. Thanks for the help.


glad you found the problem.

Dealer (or anyone with the Tech II tool) can "command" the pump on - if it's failed then it won't command on. Hopefully nothing else is wrong - for engineering reasons the long-lifetime components in teh Riv tend to fail in groups.

Albertj

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cjoform
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PostSubject: Re: Random Stall   Fri Nov 06, 2009 1:30 pm

Thanks for the advice albertj. When I get the cash saved up I will buy a pump and see what happens. If there are more problems then I guess this car aint for me and I should go back to my old stuff haha. Anyway when I get a pump and put it in I'll let everyone know the results.
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cjoform
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PostSubject: Re: Random Stall   Fri Nov 20, 2009 1:36 pm

In case anybody is following this I replaced the fuel pump and fuel filter 2 days ago. So far no problems in the 100 miles that I have driven it. Thanks for the help.
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Z-type
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PostSubject: Re: Random Stall   Fri Nov 20, 2009 1:53 pm

Good to hear smile . Don't you love it when everything starts working again??

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deekster_caddy
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PostSubject: Re: Random Stall   Sat Nov 21, 2009 6:42 pm

Congrats on the fix!

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