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96 Cadillac Deville Overheating, blowing white smoke out of tail pipe

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With the coolant full, start the engine with the tank cap removed. If air and smoke continually purge from the surge tank  I am going to assume you have a head failure.

Did this happen suddenly, or occur gradually over time?

Does exhaust smell sweet? Does coolant smell like exhaust?

Sorry for so many questions but specific questions narrow down things quicker

If what you describe is accurate it sounds like it is severe. Love the 96. Still my favorite year

Welcome To CaddyInfo. 

How long have you owned it? 




Nice, clean, luxury= fine automobile

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