Coolant Leak & Engine Overheating on GMC Jimmy

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

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Average mileage: 230,000 (230,000–230,000)
Engine affected: 5.7L V8
7 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1999
7 people reported this problem
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1999 GMC Jimmy - 5.7L V8 230,000 mi,
Water in radiator and in reserve gone from over heating.