over heating

Asked by otse2022 Dec 11, 2019 at 08:54 PM about the 2001 Cadillac DeVille DTS Sedan FWD

Question type: Maintenance & Repair

my car is over heating,blowing cold air. after new radiator,thermastat,water pump,heater core flush,radiator flush.

5 Answers
570

Danielreeves901 answered 5 years ago

Squeeze the hose with the radiator cap off needs to be running but dont do it with it hot because when you open the cap the steam and water will burn your hands let it cool down first

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157,865

James answered 5 years ago

Test the coolant for combustion gases. If you have combustion gases in the coolant you have a blown head gasket. Northstar engines are notorious for blowing head gaskets. On a 19 year old vehicle it's not worth fixing. Hope that helps! Jim

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