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2.0TFSI oil cooler failure??

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by Bigman, Sep 25, 2010.

  1. Bigman
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    Bigman Cornish and Proud!

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    [Sep 25, 2010]
    Hey guys

    Had abit of a look at the coolant the other day and it seamed abit oily, initialy I thought it might be the head gasket, which would not be a good thing, but the temperature doesn't seem to be soaring as I would expect it to if it was gone. I have heard about people having leaking oil coolers, has anyone had this happen before?

    My plan is to give the cooling system a flush and stick in some new coolant to see what happens.

    Thanks

    Adam
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  3. Paul B7
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    Paul B7 Active Member

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    [Sep 26, 2010]
    I had the very same symptoms on a B5 1.6 ( many years ago) and it was the oilcooler that failed.The G12 coolant in the expansion bottle turned into a very thick brown emulsified oil .
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