2003 buick century oil in radiator. have to add oil occasionally but runs good. flushed radiator and replaced thermostat 10 months ago and oil in radiator came back. Has to be a gasket leak somewhere.

Asked by Nov 21, 2015 at 12:20 AM about the 2003 Buick Century Sedan FWD

Question type: Maintenance & Repair

flushed radiator and replaced thermostat 10 months ago and oil in radiator came back. Has to be a gasket leak somewhere or could it be the water pump?

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Oil in the radiator means a blown head gasket.

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