Head Gaskets and Valve Covers
Chevy S-10
1982-1994 Chevy Cavaliers

Should the vehicle smoke when replacing a head gasket on break in?

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Wiki User
July 13, 2008 4:58PM

Only until the exhaust system has burned out the contaminates

that was there before the job started, I would say aprox 30 to 60

minutes. If it continues longer than that I would suspect the

gasket was installed improperly or the head is cracked.

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