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Radiator troubles

Discussion in 'VT - VX Holden Commodore (1997 - 2002)' started by TomFarrell, Sep 25, 2016.

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  1. TomFarrell

    TomFarrell New Member

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    Hi Team,

    I had a burst top radiator hose, that I have just replaced. But I would like ask what this milky/sticky brown stuff is and if I should flush out the system?

    Photos are of the burst pipe and substance in question.

    Radiator1.jpg
    Radiator2.jpg

    TIA
     
  2. Darcon666

    Darcon666 Evil is always around you

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    That normally means you have oil in the water... 2 things it could be:-

    1). Head gasket or Manifold gasket
    2). Auto Transmission cooler tank split has split.

    Have a look under oil filler cap and is it there too?
    Check you engine oil and Transmission as well?

    Could help...
    https://www.youtube.com/watch?v=_1ZQSLpxwX0
     
  3. devilly

    devilly Well-Known Member

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    that looks pink to me,look into transmission lines.
     
  4. immortality

    immortality Moderator Staff Member

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    Agreed, the pink colouring would definitely suggest transmission fluid in the coolant system.

    I'd definitely have the radiator looked at before using and check the trans fluid too before doing anything else.
     
  5. edals

    edals Well-Known Member

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    3 for that being transmission fluid. Definitely don't drive the car. Hopefully no coolant got into the transmission also.
     
  6. TomFarrell

    TomFarrell New Member

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    I've had a quick look at the engine oil and the transmission oil. Both appear to be okay; no milk substance within either compartment.

    What would be the go to solution here?
     
  7. accentstencil

    accentstencil Well-Known Member

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    Flush the cooling system several times and replace the radiator.
     
  8. VT&VX

    VT&VX Active Member

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    I followed this thread and flushed the radiator three times before realising I should open the heater to flush the heater core too. Then I replaced the Auto Transmission filter and gasket.

    It now looks like the problem was caused by loose inlet manifold bolts and by tightening these bolts I have squashed the gasket back down and might have solved the problem. It has improved but still some traces of oil in the radiator. Sludge is gone.

    One more flush of the radiator with heater fully open, fingers crossed might clean it up.

    Here is a reference pic of the inlet manifold bolt locations.
     

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  9. greenacc

    greenacc Searching for the billion

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    Replacing the manifold gasket would help too.
     
  10. VT&VX

    VT&VX Active Member

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    If the problem is partially reduced then you might be right, I think about $80 and 4 hours DIY, but I might check if there is a gasket repair chemical that might do the job for less.
     
  11. greenacc

    greenacc Searching for the billion

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    You could try some dodgy chemicals I guess but you would be better off replacing the gasket provided tyenjon goes smoothly.
    The problem with some of those gasket repairs goopy products is they either do nothing or they end up blocking things like the heater or radiator.
     
  12. VT&VX

    VT&VX Active Member

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    Good point, have to keep heater open while the chemical does its intial search for leaks.
     

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