Coolant Leak & Engine Overheating on Chevrolet G Series Van (G20)

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: 138,500 (112,000–200,000)
Engines affected: 5.7L V8, Gasoline
9 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998
13 people reported this problem
Viewing 1 - 2 of 2 comments
replaced darn pump
all hoses checked. coolant was leaking (dripping) down belt and forming puddle (small). replaced water pump and could clearly see where it was leaking from. better now thatn later