White smoke


Asked by Feb 13, 2014 at 10:37 PM about the Cadillac DeVille

Question type: Maintenance & Repair

Got a 1999 Cadillac Deville from a friend. Changed fuel pump , water pump , thermostat , alternator and now it's putting out white smoke from the tail pipe. Does anyone know what this might be? Thanks for any help, I'm about ready to give up !!!

4 Answers


Sounds like a blown head gasket.


Check for coolant lose. Also a pressure test on the cooling system with the spark plugs out will confirm if this is your issue. Some auto parts stores will loan you the test equipment.

1 out of 1 people think this is helpful.

Thank you

1 out of 1 people think this is helpful.

Those Northstar engines are notorious for head gasket failure! HTH. -Jim

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