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Problems after fuel filter replacement

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
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jimmy57
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Re: Problems after fuel filter replacement

Post by jimmy57 » Wed Sep 25, 2019 4:54 pm

I have had several cars that the Owners really didn't want to spend the money and I would tell them to do three key cycles and drive on only to have the car return to normal after a time. If something was in pump outlet check valve or on FPR seat it can wash away and it once again seals.



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kallekula
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Re: Problems after fuel filter replacement

Post by kallekula » Wed Sep 25, 2019 5:41 pm

jimmy57 wrote:
Wed Sep 25, 2019 4:54 pm
I have had several cars that the Owners really didn't want to spend the money and I would tell them to do three key cycles and drive on only to have the car return to normal after a time. If something was in pump outlet check valve or on FPR seat it can wash away and it once again seals.
Why three? Is that a magic number or should it be read as a few turns?



BMW 540i 2002
S70 Base 2000
S40 T5 2004.5

jimmy57
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Re: Problems after fuel filter replacement

Post by jimmy57 » Wed Sep 25, 2019 10:09 pm

The fuel pump runs 2 sec or little less on each key on. 3 cycles is enough to create full normal fuel pressure if there is compressable air in lines and maybe get fuel close to fuel rail where it will start with much less cranking.



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misha
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Re: Problems after fuel filter replacement

Post by misha » Fri Sep 27, 2019 2:17 am

4th morning in a row it started instantly.
Well....it seems that problem is gone by itself.
;)


'97 850 2.5 20v /fully equipped/ Motronic 4.4 / polar white wagon
'91 Citroen XM 2.0 SI /fully equipped/mandarine red metallic
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misha
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Re: Problems after fuel filter replacement

Post by misha » Sun Oct 06, 2019 3:33 pm

Started instantly after sitting for last 2 days. ;)


'97 850 2.5 20v /fully equipped/ Motronic 4.4 / polar white wagon
'91 Citroen XM 2.0 SI /fully equipped/mandarine red metallic
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS

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abscate
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Re: Problems after fuel filter replacement

Post by abscate » Sun Oct 06, 2019 5:42 pm

Wait until the Siberian winter hits
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Re: Problems after fuel filter replacement

Post by precopster » Sat Oct 12, 2019 10:29 pm

I tore apart the original Bosch filter in our 1995 850 by cutting it and it had much more pleating and was far better made than a replacement Bosch filter built in 1990 on a 1999 V70 that I also cut up.

After getting holes in 2 USA made Bosch oil filters (catridge type) in succession I am convinced that some Bosch products made these days are not as good as others.


Current cars:2002 XC70, 2006 Ssangyong Rodius (Stavic), 2006 XC90 2.5T, VW Transporter 2.5TDI

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Re: Problems after fuel filter replacement

Post by kallekula » Sun Oct 13, 2019 11:07 am

precopster wrote:
Sat Oct 12, 2019 10:29 pm
I tore apart the original Bosch filter in our 1995 850 by cutting it and it had much more pleating and was far better made than a replacement Bosch filter built in 1990 on a 1999 V70 that I also cut up.

After getting holes in 2 USA made Bosch oil filters (catridge type) in succession I am convinced that some Bosch products made these days are not as good as others.
Counterfeit product maybe? I saw this documentary about piracy and it was actually scary. They are even making counterfeit medicine/drugs now!



BMW 540i 2002
S70 Base 2000
S40 T5 2004.5

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