Asked by May 17, 2017 at 11:46 AM about the 1995 Mercury Grand Marquis

Question type: Maintenance & Repair

I've changed the thermostat new water
pump new belt heater core is already
bypassed. Ive checked the oil its not milky
so no blown heads. Idk what else to do.
Please help me.

2 Answers


There can be head gasket or cylinder head issues and no coolant will show up in the oil. Is coolant disappearing and none leaking on the ground? Is the radiator in good condition with clean fins and clean on the inside?


I'd have the radiator pulled and flushed or replaced. If the heater core's bad, the radiator's probably bad.

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