Coolant Leak & Engine Overheating on Pontiac Sunbird

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.

RepairPal Verified
Average mileage: 157,000 (157,000–157,000)
Engine affected: 3.1L V6
5 model years affected: 1990, 1991, 1992, 1993, more1994
7 people reported this problem
1 person shared problem details
changed water pump finally
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