Problem Reports
Chevrolet Astro
Report: Leaking Water Pump May Cause Coolant Loss and Overheating
Chevrolet Astro Problem
7 Reports
Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995
Engine Affected: 4.3L V6
Verified
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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Visitor, 1995 Chevrolet Astro, 139,000 mi
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 fineFlag ThisLike0