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Noise from Right Rear, 1997 850 base wagon, PLS HELP

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dgwdoesthings
Posts: 1
Joined: 19 Sep 2024, 18:32
Year and Model: 1997 850
Location: washington

Post by dgwdoesthings »

Makes noise for a second when I turn the ignition to start but don't crank, and you can hear it while idling, high pitched whining coming from the right rear.
This noise first started after I recently changed the fuel filter last week.
First thought was that there was a bubble in the fuel system, drove over a hundred miles hoping it would fix itself. Next I assumed it was a sign of a fuel pump, I just swapped it for a new one today. Noise is slightly different but persists, used to be lower rattly whining if that makes sense.
Will post a sound/video when I figure out how to, new to forum
Any clues as to the problem?
Thanks for the help

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misha
Posts: 5437
Joined: 07 Dec 2008, 16:09
Year and Model: 2010 Volvo S80 D5
Location: Serbia
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Post by misha »

It's the fuel pump.
Check the fuel filter direction...arrow must point towards the engine.
What is the brand of fuel pump?
Some of them are a lot louder than original.
2010 S80 D5 / restyling / fully equipped / Twin turbo / Savile Gray Metallic (492)

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
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon

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