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Emissions and Exhaust Systems
Head Gaskets and Valve Covers
Mufflers and Tailpipes
GMC Sierra

White smoke from car?

Answer

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Wiki User
August 10, 2012 2:26PM
white smoke usually means coolant is getting into the cylinders - check your oil to see if it overfull and or milky this bad news and can mean head gasket replacement or other major repair