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Whats this.......

Discussion in 'A4/S4 forum(B5 Chassis)' started by Moynas A4, Jul 12, 2007.

  1. Moynas A4

    Moynas A4 New Member

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    Right i've been getting a loud ticking noise coming from above the air box, i've worked out that its this part in the picture making the noise! If i shake it the noise stops but then it'll come back ticking again like a bloody bomb!!

    Any ideas?? is it faulty??

    [​IMG]

    [​IMG]
     
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  3. SonicDeathmonkey

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    be careful using the "b" word on the net. The men in black may pay your house a visit one night....

    No doubt that somewhere in a basement in maryland your name is already being recorded.
     
  4. Randomjim

    Randomjim Active Member

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    I get a similar ticking noise on mine, only when its hot though.
     
  5. mac1403

    mac1403 Member

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    Think they all tick...well mine does anyway. If you blip the throttle it will stop briefly until the revs settle again. Audi tech said nothing to worry about....ticks like a ticking thing LOL
     
  6. Randomjim

    Randomjim Active Member

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    I heard it might be something to do with a carbon emissions controller or something????
     
  7. shineydave

    shineydave Member

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    EGR valve i think, recirculates the gases from the fuel tank or something to reduce emissions. not too sure really
     
  8. Biglockie

    Biglockie Aye you know it makes sense

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    Ah thats where that bloody noise is coming from!!!!!! LOL
     
  9. Caesium

    Caesium My BM is fixed!
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    Its probably a fuel vapour capture system, it allows fuel vapour through a charcoal canister and then back to the fuel tank, for emissions purposes.
     
  10. enda1

    enda1 Member

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    It is the solenoid valve to vent fuel vapours back into a charcoal canister to reduce emissions. Know this cause I bust mine when opening the airbox last year.
     
  11. docurley

    docurley Moderator
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    Same here.
     
  12. 98 A4

    98 A4 New Member

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    Im pretty sure its the pvc valve, I mine does the same thing by clicking very loudly. I thought it was dirty so i tried to clean it out with carb cleaner it worked a little but i think thats just how they work.
     
  13. jcb

    jcb Active Member
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    same here!! nozzle held on with araldite now!!
     
  14. Ibzzzzz

    Ibzzzzz Member

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    m8 its the charcoal filter they all do it even my a3.
     

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