Problem Reports

Lincoln Mark VII

Report: Overheating Due to a Damaged Impeller

Lincoln Mark VII Problem

3 Reports

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Model Years Affected: 1990, 1991, 1992

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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