Coolant Leak & Engine Overheating on Chevrolet Astro

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 185,280 (139,000–224,840)
Engine affected: 4.3L V6
7 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1997
9 people reported this problem
Viewing 1 - 2 of 2 comments
Coolant started leaking from the Weep-hole under the water pump shaft casting. I replaced the water pump
and used a homemade gasket w shellac. No leaks woks fine