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2.0 TDI 140 coolant usage

anilkumar Jul 31, 2010

  1. anilkumar

    anilkumar Member

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    have a 2005 2.0 TDI a6 with 125K on the clock and it uses a lot of coolant has to be toped up every couple of days went from Birmingham to Bedford and needed to top up twice because light came on there are no visible leaks the oil is clean and water are clean the oil cooler was changed about 1000 miles ago this has not fixed the problem this was advised by Audi that it need it changing anyone know why the coolant usage is so high EGR valve and cooler were done at 80K head and head gasket were done at 87K
     
  2. Gavin0478

    Gavin0478 Active Member Team Daytona Team V8 VCDS Map User quattro Audi Q7 S-line owners group TDi

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    start car with run for few seconds stop then take off rad cap. if pressure head gasket may not be sealing.... also run it with cap off to see if it quickly pushes water out as could be blowing out the overflow
     
  3. anilkumar

    anilkumar Member

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    i have tried this there seems to be no air lock but just went out and there seems to a bit of oil at the bottom of the water bootle think i might get a compresion test done is it possable that haed is craked aparently seems to be quite common
     
  4. Gavin0478

    Gavin0478 Active Member Team Daytona Team V8 VCDS Map User quattro Audi Q7 S-line owners group TDi

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    is it oil or water cooled turbo?
     
  5. anilkumar

    anilkumar Member

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    i think it might be oil cooled but not sure
     
  6. anilkumar

    anilkumar Member

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    problem was a leaking headgasket
     
  7. Jonay

    Jonay Member

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    How much to get replaced? I fear that mine might need doing! Its just hit 118k.
     
  8. JimC64

    JimC64 Active Member

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    [​IMG]

    Ooops, had the same problem many many times and recorded this with Audi. I filled myself many time but always bought the coolant from the dealer as a way of recording this. Eventually, I stopped this practice and just took it to them every time as it was still under warranty.
    I ended up having the cylinder head replaced TWICE.......The cracked cylinder head issue was suspected.....no issues since!
     
  9. anilkumar

    anilkumar Member

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    about £500
     

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