Chris NottBadger5
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  1. #1
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    do u know what this is

    got oil changed today and found this on under tray when we took it off
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  3. #2
    Audi Doodah's Avatar
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    Looks to be part of the air con compressor pulley

    36384.jpg

    890971.jpg
    A4 Avant 1.9 TDi Sport GmbH

  4. #3
    DALE_AVANT's Avatar
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    Quote Originally Posted by Audi Doodah View Post
    Looks to be part of the air con compressor pulley

    36384.jpg

    890971.jpg
    Nice spot! Isn't that the air-con clutch?? I hear they are a common failure

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  5. #4
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    they dont fail as such

    the rubber buffers wear and they rattle

  6. #5
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    As Stu says, but the problem will be sourcing the bolt which has obviously fallen out.
    A4 Avant 1.9 TDi Sport GmbH

  7. #6
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    do i need it did not know i had air con

  8. #7
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    Ha, if you didn't know it was there, will you still not miss it now that you do!?!?

    You don't need it but it would cost about £100 for a new pulley if you did (plus sourcing a new bolt and maybe even a regas of the system). For reference, it's controlled by the ECON button on the air con panel. While the red light is on, you're in ECONomy mode. Press the button and, with a functional air con system, the light will go out and you'll have chilled air blowing through the cabin.
    A4 Avant 1.9 TDi Sport GmbH

 

 

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