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Fuel pump whine 200 1992

posted by  jorn on  Thu Apr 24 22:26 CST 2003
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Guys,

Planning a big 5000mi Europe round trip this summer and started to focus a bit more on technical state of old trusty 92 240 with 170kmiles.

When the tank level drops to less than 1/4 I can clearly hear a whining noise from the back. Clearly we are talking tank fitted transfer pump. Whining goes up and down a bit (together with slightly unsteady idle) but does not seem to effect the power of the car. It's kinda handy as it tells me its time to fill up.

Replaced main fuel filter, no change, but never opened up for filter sock check.

Anyhow, are we talking replacing to ensure proper operation or is this something that keeps on going for years like with so many 240 quirks?

Have not checked pump amps, what should it be reading?

Your experiences are much appriciated








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    Fuel pump whine - got some more 200 1992

    posted by  someone claiming to be jorn on  Fri Apr 25 10:44 CST 2003 [RELATED]

    Checked it out and measured the current:

    Pre-pump 1.4 Amps
    Main pump 5.4 Amps

    AND the whine does not go away when I pull the fuse on the Pre-pump. Basically the whine comes from the main pump when the level gets low regardless of pre-pump running. Sounds more like the pre-pump has a pumping problem.

    Will pull the lot out over the weekend.

    Thanks,

    Jorn








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    Fuel pump whine 200 1992

    posted by  spasske on  Fri Apr 25 08:57 CST 2003
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    last visit: Thu Oct 23 10:11 CST 2014
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    keep the tank above 1/2 until you change/check the intake pump. You're stressing the main pump otherwise.

    --
    Paul NW Indiana '89 740 Turbo 103,000








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    Fuel pump whine 200 1992

    posted by  Mark Lundell on  Fri Apr 25 02:15 CST 2003
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    last visit: Sun Sep 14 21:34 CST 2014
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    If you are planning a long trip, I would attend to it. The whole in-tank pump unit is only $90 US from FCP Groton. If the in-tank pump is not working right you can wreck the main pump.

    I just fixed mine for the first time last month. My problem was broken wires.

    Check the FAQs on this.








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      Fuel pump whine 200 1992

      posted by  someone claiming to be kswan on  Fri Apr 25 04:15 CST 2003 [RELATED]

      I'd have to agree with Mark and get it attended to. You described same symptoms I had a few years back and I lived with it for awhile until the pre-pump died. You won't be happy if it dies and you don't have easy access to a Volvo mechanic. It's been 5 years since with no problems. Pretty cheap fix.

      Kirk S.







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