Mercury Grand Marquis owners have reported 1 problem related to engine overheat (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Mercury Grand Marquis based on all problems reported for the Grand Marquis.
The contact owns a 2002 Buick rendezvous. The contact started the ignition and the temperature gauge displayed a hot level reading with the illumination of the coolant warning indicator. The engine began to overheat. The vehicle was taken to an independent mechanic where they replaced the head gasket. The VIN was unavailable. The failure mileage was 96,000.
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