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    Oil Question

    I went to top up my oil the other day and when I took the cap off there was sort of yellowy colour gunk around the inside of the neck.

    It has never been there before and I'm not sure if this is normal? If not what has caused this?

    Thanks

    Wolvy

    996 C4S

    Re: Oil Question

    Water in the oil can produce that effect. Hopefully it got there from condensation inside the filler neck but you should rule out the other, more serious sources. If it is a cracked head or blown head gasket you may be seeing some white smoke in your exhaust as well.

    Re: Oil Question

    It is normal for people who drive short trips in the winter. Heat from the engine does not evaporate the normal moisture in the crankcase forming the yellow gunk. Go for a long drive!

    Re: Oil Question

    It's a condensation mixtures of oil & water at the much cooler plastic oil filler tube end piece & cap, more pronounced in winter. BTW, it should not be more than half of a tea spoonful.

     
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