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Help, tick tick coming from the engine bay?

Discussion in 'Tuning' started by imported_ashs3, Sep 25, 2004.

  1. imported_ashs3
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    imported_ashs3 Guest

    [Sep 25, 2004]
    Noticed it today coming from the right hand side of the car, lifted the bonnet and it is coming from the black box unit (not marked) that is between the coolant reservoir and the washer jet reservoir? It is making fast tick, tick noise which can be felt through the small black pipes, one of these goes to the brake fluid reservoir, it is as if something is being fired through them in bursts, it stops once the engine revs are picked up, say by pressing the throttle, but as soon as the revs die it starts again? Any ideas? did not here it when I picked it up yesterday and was in the car all day.
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  3. foolish3uk
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    foolish3uk Member

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    [Sep 25, 2004]
    its the sctivate charchol filter and the noise is completely normal. it happens all the time and starts after about 30 secs ish after the car is started.
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  4. PaulRS3
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    PaulRS3 Well-Known Member

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    [Sep 25, 2004]
    see post in A3/S3 forum

    pics posted too.
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  5. imported_Strider81
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    imported_Strider81 Guest

    [Jun 5, 2005]
    can anyone elaborate?
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  6. PaulRS3
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    PaulRS3 Well-Known Member

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    [Jun 5, 2005]
    its normal.

    as foolish said, its the charcoal filter to proces fuel vapour fumes from tank.

    they are recycled and burnt off in the engine safely.
    #5

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