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Smoke at high RPM only OIL LEAK?

ga996
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ga996 Member

ga996

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Posted

I have a 99 cab. At high RPMs it smokes like a train. I have found it to be some sort of oil burn on the outside of the # 1 header pipe. I have had a friend verify it is not coming out of the exhaust pipe, but rather around the exhaust, the way he determined this was he "tried" to follow me closely and watch. It is like it is leaking oil at high pressure. Could it be coming from either around the # 1 coil or possibly the sleeve that contains the # 1 coil. My assumption from replacing a coil my self is that oil circulates around those sleeves. Reason I beleive this is because I pulled a sleeve out by mistake on the # 6 cylinder when putting a new coil in. I have not verified any of this info so any and all help would be appreciated. If there is a porsche mechanic out there that is willing to help out a "shade tree" mechanic like myself I would be ever so greatful.

Thanks George

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Loren Member

Loren

Posted
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Posted

Some of the early MY99 cars had leaks from the oil tubes (o-rings) and/or valve cover gaskets. There was a part number change for the o-rings.

Also, make sure the oil level is not too high as that will also cause high RPM smoking.

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