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Thread: grumble's overheating problems unsolved

  1. #1
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    grumble's overheating problems unsolved

    I had an over heating problem early this year, suspected leaking hose(s). all hoses have been changed system flushed, water pump appears to be ok, fan operation tested ok, what happens now is once the engine is at operating temp and is under load..ie turbo is working, the system appears to over pressurise and blows(regurgatates) coolant back out through the tank.
    1. is the turbo water cooled?
    ...if so could the pressurisation occur from a hole in a water jacket ?
    ...or where else could it occur?
    2. is there any way the problem could be at the intercooler?

    the radiator is almost brand new so is not the problem.....
    no water in oil, exhaust gas analysis is good...

    any help much appreciated, Dennis


    fyi....2000 td5, auto, 240000km.
    Last edited by ramblingboy42; 12th February 2013 at 03:05 PM. Reason: added fyi

  2. #2
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    Head gasket would be my first guess......
    Kev
    2005 TDV6HSE D3
    2006 V8HSE D3
    99 TD5 D2 (Gone)
    97 RR Autobiography original (Gone)

  3. #3
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    yes, I think I've come to that conclusion....but theres no indicators, which is frustrating.

  4. #4
    Road Stone Guest
    I agree, sounds like the HG

  5. #5
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    Quote Originally Posted by ramblingboy42 View Post
    yes, I think I've come to that conclusion....but theres no indicators, which is frustrating.
    Overheating, blowing water out of tank......couple of pointers

    If the break is between cylinder and water, you won't necessarily get water and oil mixing.....much better than if you were!

    .....not that a head gasket is better by any means

    I hope someone has a much easier and cheaper thought though......but you've replaced all the usual suspects, hoses, radiator etc.....mmmm
    Kev
    2005 TDV6HSE D3
    2006 V8HSE D3
    99 TD5 D2 (Gone)
    97 RR Autobiography original (Gone)

  6. #6
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    Just a thought, did you replace the pressure cap on the coolant pressure tank, Mine was relieving at a lower pressure because of its age, after replacement, all good. [ both TD5 & V8 pressure caps relieve at 20 psi ] Bob
    I’m pretty sure the dinosaurs died out when they stopped gathering food and started having meetings to discuss gathering food

    A bookshop is one of the only pieces of evidence we have that people are still thinking

  7. #7
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    yeah, done that thanks Bob, I was hoping I could aviod the inevitable.....but.....

  8. #8
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    Thermostat replaced? Heater core flushed separately?

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