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Incontinent A4

Discussion in 'A4/S4 forum(B5 Chassis)' started by Tom_B, Jul 29, 2013.

  1. Tom_B
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    Tom_B Member

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    [Jul 29, 2013]
    The Dear car is loosing coolant and dumping it on the driveway. Drip, drip , drip losing about a reservoir full every 8 hours and it seems to go faster when we are driving.

    I just can not see the point of leakage - its not the radiator hoses but seems to be further back, are there any points in the coolant system which are well known for giving way?

    I have got ten hours to sort it.....
    #1
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  3. Broonie
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    Broonie Member

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    [Jul 29, 2013]
    Have you checked for water in the oil?
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  4. Oranoco
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    Oranoco Well-Known Member

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    [Jul 29, 2013]
    Check the plastic unit that the coolant temp sensor sits in as mine had cracked and was leaking.
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  5. Tom_B
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    Tom_B Member

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    [Jul 29, 2013]
    yeh, no mayo in the engo...
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  6. Tom_B
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    Tom_B Member

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    [Jul 29, 2013]
    CTS mount would be in the right area, I'll go an have a look see
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  7. Sulli79
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    Sulli79 Active Member

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    [Jul 29, 2013]
    Don't know what the score is on the tdi, but on my 1.8t the oil cooler had corroded in a way that it was leaking coolant, but no cross contamination with the oil.
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  8. Tom_B
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    Tom_B Member

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    [Jul 29, 2013]
    Spot on Oranoco, its some thing in the CTS mount area - what did you have to replace to sort it out?
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  9. Bradderz_1988
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    Bradderz_1988 Dont replace it, Upgrade it !!

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    [Jul 29, 2013]
    Get a new housing from audi for about £30 iirc
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  10. Oranoco
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    Oranoco Well-Known Member

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    [Jul 30, 2013]
    I had a spare that I rescued from an old engine I had removed from another A4 so just fitted that. Glad to have been able to help though
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