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Strange Pipe On A 2.5TDI

Discussion in 'A4/S4 forum(B5 Chassis)' started by Mackers, Oct 29, 2011.

  1. Mackers
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    Mackers Member

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    [Oct 29, 2011]
    hi all, after changing my airfilter and "hoovering" the airbox too, there is what seems to by a pipe in the bottom of the airbox, the kind that use to be used as a heaterpipe off the manifold in cars yrssssssss ago.
    any ideas the point in it, as it only goes to a small hole in the base of the airfilter box :S
    #1
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  3. Mackers
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    Mackers Member

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    [Nov 1, 2011]
    any idea's anyone?
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  4. S4_dan
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    S4_dan Fire up the Quattro!

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    [Nov 1, 2011]
    A couple of pics might help.....?
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