ckillian Posted February 16, 2021 Report Share Posted February 16, 2021 I have a 96 Cadillac Deville that is overheating and blowing white smoke out of the tail pipe as well as spitting water out of the tail pipe. Any help would be greatly appreciated. Has new water pump, new thermostat, no leak, etc. Quote Link to comment Share on other sites More sharing options...
rockfangd Posted February 17, 2021 Report Share Posted February 17, 2021 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? Miles? Condition? cdgrinci 1 Quote GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
cdgrinci Posted February 17, 2021 Report Share Posted February 17, 2021 Yep, sounds like a cracked head or bad head gasket. Quote Chuck '19 CT6, '04 Bravada........but still lusting for that '69 Z-28 Link to comment Share on other sites More sharing options...
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