Coolant Leak & Engine Overheating on Buick Century

A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.

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Average mileage: 170,000 (170,000–170,000)
Engine affected: 3.3L V6
3 model years affected: 1990, 1991, 1992
4 people reported this problem
1 person shared problem details
1991 Buick Century- 3.3L V6170,000
Replaced pump and gaskets.
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