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Thread: oe dump valve

  1. #1
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    oe dump valve

    ive got this issue with my oem dump valve it sounds like a knackerd stearing pump and makes a horibble humming noise some times when driving is it broken or on its way out, i dont have any boost issues car is a 1999 s3 apy thanks

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  3. #2
    Neutral

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    if its the same noise i had, which was only on low boost at slow speeds then its annoying and chuck it out! I bought a second hand 007p DV, cleaned and oiled it was perfect (loads of threads for that). A brand new OE one is apparently just as good, so the choice is yours.

    Hope that helps.
    Audi S3 AMK, Badger 5 Tip with Cone and Heat Shield, Forge 007P (green spring), de-cat pipe

  4. #3
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    thanls

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    thanks

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    GOTO vaglinks.com then Miscelaneous DIYs and you can download a PDF showing you how to test dump valve.

    Mark
    S3 2003........REVO..........Stage 1...........218G/S.......÷..........°8..........=..........272bhp ......368Nm.....271 ft lbs

  7. #6
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    it sounds like power steering pump with no fluid in it at low boost

  8. #7
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    If it's shot then it's shot. There isn't a great deal you can do to service the OE DV. It's a diaphragm and once gone it's gone. How ever, for 19 quid, just buy another and replace.

    Thats the only real way to prove it's the DV making the noise to be honest.
    ------------------------------------------------------------------------------------------
    "Marriage is like a coffin and each kid is another nail."
    Homer Simpson





 

 

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