Overheating

Asked by Mike Dec 28, 2019 at 02:38 PM about the Cadillac DeVille

Question type: Maintenance & Repair

Car overheating

2 Answers
157,615

James answered 4 years ago

If you have a Northstar engine it's probably a blown head gasket and not worth fixing. Have the coolant tested for combustion gases. If you have combustion gases in the coolant you have a blown head gasket. Hope that helps! Jim

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