2000 caddilac deville

Asked by Apr 16, 2017 at 10:07 AM about the 2000 Cadillac DeVille DHS

Question type: Maintenance & Repair

It runs hot with heat on and car in park

1 Answer


Have the cooling system pressure tested and tested for exhaust gases in the coolant. If you have a Northstar engine it's probably, 99%, going to be a blown head gasket!! All Northstar engines blow head gaskets sooner or later! HTH. -Jim

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