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Any harm with excess engine oil?

catdog Oct 7, 2007

  1. catdog

    catdog New Member

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    As titled. In my case it's minimal, just a quarter inch on the dipstick, which someone told me is equivalent to less than a half litre.
    But if the amount is a bit more than that, will the excess get burnt off as white smoke out of the exhaust? And will it cause other damages? Many thanks
     
  2. Randomjim

    Randomjim Active Member

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    It could damage your catalytic converter
     
  3. enda1

    enda1 Member

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    It could also blow the oil seals in you engine. The pistons going up and down pressurise the crank case and if the excess oil prevents this pressure from escaping it can blow the seals
     
  4. SteveTDCi

    SteveTDCi Active Member

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    Or it could blow it out at the weakest point, too much oil is just as bad as too little. Have you checked the oil level on level ground ?
     
  5. catdog

    catdog New Member

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    It's actually my mate's car, I was just asking for him. Thanks a lot guys.
    I have already told him to fix the problem.
     

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