The car is from 1999. This is still driving me mad. I brought it to the porsche dealer. They can the cap twice. And I just got home and I smell coolant. I opened up my trunk and the cap and oil cap are wet and there is a little residue on the roof. I hear a hissing sound and a bubling type sound.
I can't believe that my mechanic and bringing it to a porsche guys twice and they still can't fix the problem.
Is there any relation to the coolant tank leaking and the head gasket. or any other ideas
thanks
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