Coolant Leak & Engine Overheating on GMC Rally Wagon 1500

Problem Description and Possible Solution

A coolant leak may develop from the water pump. This can result in an engine overheating condition. A leaking water pump will require replacement.

Problem Data
RepairPal Verified
Average mileage: (–)
4 model years affected: 1990, 1991, 1992, 1993
4 people reported this problem