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  1. #1
    Donnie Mac

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    how to test a dump valve??

    Hi all

    Just a quick query. I suspect that my dumpvalve is perhaps fooked. Is there a way of testing it? Im sure i read somewhere about pushing a pen up into it?!?

    I apologosie if this has recently been covered but i cannot find any clear instructions.

    Cheers

    Donnie
    Revo'd APY S3

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  3. #2
    themanthatcan's Avatar
    3rd Gear

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    Do you have the Forge 007P DV?
    2001 S3 AMK in black - Ambient lighting kit and Aero wipers.
    Is it wrong to love your car more than your girlfriend? - When you no longer have a girlfriend it's fine!

  4. #3
    HTC
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    Remove it, push the piston up and then place your finger over the small vacuum hole. If the piston drops right back it's leaking and needs replacing.

    Blow into the side connection (air pushing on the side of the piston). Does it let air pass?

  5. #4
    Donnie Mac

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    well when i blow into the side connection it goes out the small top pipe (this is maybe normal?) anyway, when i cover that with my finger, im pretty sure that its still passing, slowly all be it. does this mean its knackered??
    Revo'd APY S3

  6. #5
    Donnie Mac

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    any one??
    Revo'd APY S3

  7. #6
    h100vw's Avatar
    1st Gear

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    shagged from what you say. The small pipe shouldn't be connected to anything.

    Gavin

 

 

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