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by V50M66
22 Jun 2024, 14:38
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Re: 98 V70R fuel pump!

There’s a red relay in the fuse box under the hood (the one closer to the dash) that runs the fuel pump. It’s a relatively common failure. Take the relay out of your base car and put it in this one to see if it resolves your issue. Easy and free test. Edit - I see you’ve already done this test. Disr...
by Clemens
22 Jun 2024, 15:09
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Re: 98 V70R fuel pump!

These pumps can die suddenly. But you can usually motivate them to run again by smacking the fuel tank real good from below with a baseball bat or similar while a helper tries to start the car. If this works, it should be the fuel pump's brushes being worn or the comm in need of a new cut on a lathe...
by abscate
23 Jun 2024, 04:33
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Re: 98 V70R fuel pump!

You’ll find my thread on S70 AWD fuel pump replacement these pages , perhaps searching for Ekaterina Bingo… https://www.matthewsvolvosite.com/forums/viewtopic.php?p=642167&hilit=Ekaterina#p642167 There is a solid after market pump insert available made by the OE manufacturer for about $100 refer...
by foggydogg
24 Jun 2024, 15:02
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Re: 98 V70R fuel pump!

tsinfinite wrote: 24 Jun 2024, 13:55 Very much appreciated~!
Robert just tricked one into running by thumping the bottom of the tank with his fist - with the key in the run position, naturally. He and Handy Dan drove 20-odd miles back to Dan's place for the real repair.
by Clemens
24 Jun 2024, 23:59
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Re: 98 V70R fuel pump!

I told ya it works ... :D
I did this for 2 or three months because it would only happen occasionally
by foggydogg
27 Jun 2024, 21:09
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Re: 98 V70R fuel pump!

Guys, back with status update - employed the ol' HAWK TUEH, Bang On That Thang! & that thang sprang right to life 😆 (*groan .. ps, if this is unfamiliar to you, you may not be on the Internet, or at least, in the United States - tho i think this has probably made it to the remote tribes in the ...
by scot850
28 Jun 2024, 14:25
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Re: 98 V70R fuel pump!

It is worth checking Abscates 2nd go at the pump. He found a great way to drop the rear end just enough to access the pump without removing it all. It saves a lot of time. He used some threaded rod to allow the rear to be dropped only so far.

Neil.
by scot850
29 Jun 2024, 08:27
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Re: 98 V70R fuel pump!

Corrosion of the mounting bolts on the rear subframe is the largest issue here. While in there check the subframe aluminum around the mounting bolts if/when you get them out and also mostly at the rear of the mounts at the fender rear. For some reason the RH side is typically the worst for some reas...
by Clemens
04 Jul 2024, 14:15
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Re: 98 V70R fuel pump!

I'd rather cut away sheetmetal than deal with the rear subframe.
by foggydogg
26 Jul 2024, 11:53
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Re: 98 V70R fuel pump!

I'd rather cut away sheetmetal than deal with the rear subframe. Tending to agree :lol: haven't yet looked at the (2nd) Abscates process, the issue hasn't arisen again (yet), car doesn't get driven a lot so can likely employ the "bang on that thang" process for a time yet if it does pop u...