Question about 1998 Cadillac DeVille

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Blowing white smoke after warming up - 1998 Cadillac DeVille

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It sounds like you have a weak head gasket.The antifreeze is mixing in the combustion chamber.The heat expands the gasket that is why for now it only does this when the car is hot:)

Posted on Sep 27, 2009

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Whith smoke is the correct type if the temp is below 0 as the muffler has cooled down and it turns into condensation (water) when hot gases come past when starting it turns into steam and thats what you can see..BUT if it isent clod and it started during the day then check your coolant and if its down in Radiator then you could have a Head gasket problem. or some were waters getting into engine

Posted on Sep 27, 2009

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Sound like you have a blown cylinder head gasket or cracked head remove radiator cap and see if the coolant is being trown out if so repair as needed

Posted on Sep 27, 2009

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