Overheating Due to Damaged Water Pump on Lincoln Mark VII

Problem Description and Possible Solution

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.


Problem Data
RepairPal Verified
Average mileage: (–)
3 model years affected: 1990, 1991, 1992
3 people reported this problem