Overheating Due to Damaged Water Pump on Lincoln Mark VII

Erratic engine coolant temperature or intermittent overheating can be caused by corrosion inside the water pump. The impeller may spin on the water pump shaft or the impeller may corrode. Either condition reduces coolant circulation resulting in engine overheating.

 

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Average mileage: (–)
3 model years affected: 1990, 1991, 1992
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