Question about 1997 Cadillac DeVille

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Hello there, I wanna know why white smoke comes out of the muffler of my cadi? Some say its a head gasket but I dnt know Please help me out.

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Hi, white smoke coming out the exhaust indicates water is getting either into the exhaust or into the engine, but it does sound like its the head gasket to me as this is the only way water can get into the engine and out the exhaust.

if it was blue or grey smoke then this points towards an oil problem such as valve stem oil seals but as its white this does point towards head gasket failure.


so im afraid all i can give you is bad news it is a big job to do and will require specialist tools to remove the head bolts they also need to be undone and tightened in a certain order and also torqued up correctly, this is a very big job and will only get worse if left to its own

if you need any further assistance then just give me a shout back.

pls rate this solution as i have a whole page of unrated posts, thanks

Posted on Aug 26, 2010

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I wanna know ...... i have a 1996 devile fleetwood its smoking real hard form the pipes and from under and it says change oil but i changed it 8 qts 10w-30 i dont know what to do it never stops

Posted on Oct 20, 2012

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