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auxillary air pump (secondary)

Discussion in 'A3/S3 Forum (8L Chassis)' started by RichWalk, Jun 28, 2005.

  1. RichWalk
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    RichWalk New Member

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    [Jun 28, 2005]
    Hi all, had an S3 for a couple of years now and Audi tell me I need a new air pump (car sounds like a vacuum cleaner on cold start) however at £410 fitted, I would like to know;-

    A) what it does
    B) are there any replacement/reconed versions available
    c)how dangerous is it to leave it for now??

    Any help will be most appreciated.
    Cheers

    Rich /ubbthreads/images/graemlins/smile.gif
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  3. Markey
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    Markey Active Member

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    [Jun 28, 2005]
    I have on of these on my car and from speaking to someone else on here it is not that important and can be left out, but you will get a CEL light on.
    If it is really bothering you then change it, if not then leave it until it breaks down.
    Here is some info on what it basically does even thought this is for a different engine it is the same principle.

    http://www.12v.org/engine/index.php?section=hw&sm=2nd
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  4. RichWalk
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    RichWalk New Member

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    [Jun 28, 2005]
    many thanks Markey, some light reading for later!!

    Cheers
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