oil is mixing with my antifreeze,coolant smell inside car very strong,whats wrong.
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1999 Mercury Grand Marquis Question: heater core
Answer #1Bret Bodas from RepairPal Test Shop, January 18, 2010, 15:30Master
Oil in the coolant is either from the head gasket leaking or the intake manifold. You netter get it looked at by a mechanic that can properly test for a blown headgasket, and rule that out first before attempting any repairs.