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    Thread: oil in my coolant

    1. #1
      What's wrong with my car?
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      oil in my coolant

      i just bought a 05 aveo and i found that it has oil in the coolant ...but no coolant in my oil or tranny ??? help



    2. #2
      I'll keep it and add a turbo USAFzac's Avatar
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      hows it running?

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      Casual Roadtripper RicochetRandy's Avatar
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      Bet the water pump is happy about bathing in oil!

      I wonder about the head gasket perhaps, either that or a crack in your block...

    4. #4
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      I have a second gen and the coolant gets "crap" in it. At first I thought it was oil, but now I am certain it is the radiator /trans cooler combo failing. As the weather warms I plan on adding an aftermarket trans cooler and plugging the factory lines. I really haven't taken a good look yet, but this is a well documented problem on opel forums, here and some of the 1.8ers. A recall would cost too much, but they should at least offer an "upgrade" factory alternative before we have to play Mcgyver. The Ecotecs have coolant gremlins and chevy has just ignored them, these engines debuted in 2002 ( I think ) and have not been fixed. Gone r the days of the 350 running for months while missing a quart of oil and low on coolant

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      even the late 90s-2000 camaro have some issues with the coolant getting in the oil...

      OP< what is your evidence? btw, the new coolants, mix with oil and do not form "milkshakes" so if you oil level is raising, there is coolant in there.


    6. #6
      Still love my daily driver Thymeclock's Avatar
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      Quote Originally Posted by petrified.rabbit View Post
      even the late 90s-2000 camaro have some issues with the coolant getting in the oil...

      OP< what is your evidence? btw, the new coolants, mix with oil and do not form "milkshakes" so if you oil level is raising, there is coolant in there.
      He said there is oil in the coolant, NOT coolant in the oil.

      My guess is... Head Gasket. But if it's only a small amount, he could run for a long while with no disastrous effect.

    7. #7
      I'll keep it and add a turbo USAFzac's Avatar
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      negative ghost rider, as soon as it starts mixing it puts strain on everything. if its overheating and you ignore it you can fry the head. rabbit told him how to see if its going viceversa. my guess is if its going one way, it can flow the other too

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      Still love my daily driver Thymeclock's Avatar
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      You might find this thread informative click here.

    9. #9
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      Quote Originally Posted by USAFzac View Post
      rabbit told him how to see if its going viceversa. my guess is if its going one way, it can flow the other too
      thats what i was suggesting.. yes.

      but again, what is your evidence of oil in the coolant? if you just saw a film in the overflow. or did you drain the system and it has oil, etc?


    10. #10
      I'll keep it and add a turbo USAFzac's Avatar
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      i am jumping ahead.. but if it is the headgasket read up, watch some youtube videos, and get that thing done. don't let it become a bigger problem





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