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  1. #1
    Active Member One Ring
    Join Date
    Jan 10 2017
    AZ Member #
    390368
    Location
    Yeovil UK

    OEM Diverter Valve Failure?

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    Hi guys

    My car has the 1.8t engine with 51000 miles on the clock, the oem diverter valve on it must be the original as far as I'm aware.

    Anyway is it possible for it to fail without there being a issue with the diaphragm. Such as the spring becoming weaker over the 9 Years its been in use?

    Causing it to open the Valve under less pressure than when it was new?

    Thanks
    Ramjam

  2. #2
    Active Member One Ring
    Join Date
    Jan 10 2017
    AZ Member #
    390368
    Location
    Yeovil UK

    ??


    Sent from my iPhone using Tapatalk

  3. #3
    Active Member Two Rings LokiAudi89's Avatar
    Join Date
    Apr 22 2016
    AZ Member #
    372187
    Location
    NY/capital region

    I'd say no man, I'm pretty sure mine was stock and had over 100k I went and bought a forge Dv anyways

  4. #4
    Established Member Two Rings
    Join Date
    Mar 09 2017
    AZ Member #
    395072
    Location
    Longmont, CO

    its possible, but not too likely. Mine had original on to 150k. I just replaced it with the 034 diverter. works great and has a little bit of sound to it, so at least you hear it working.
    2000 Avant A4 1.8 Tip
    2001 A4 1.8T 5spd
    2002 VW TDI 5spd

  5. #5
    Active Member One Ring
    Join Date
    Jul 14 2016
    AZ Member #
    376347
    Location
    Brenthurst

    I would say your miles is low... But the diverter valve is one of the bigest reasons for lost of boost... The old diverters works with a rubber and they tare left and right... Even after doing stage 1 on the car you can kiss it goodbey... So i will say if you have some extra money... Why not... Get your self a piston diverter valve as they dont use those dum rubers... My 2011 a4 B8 had a piston diverter from stock so just make sure before you go and buy a new one like i did without looking lol... But its not really a service part so there cant be said how long it will last... But if you reach a 100 maybe then go for it... Or if you would like to add a bov... U might as well want to change it aswell...

    Sent from my LG-D722 using Audizine mobile app

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