Coolant Leak & Engine Overheating on GMC Sonoma

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: 80,000 (80,000–80,000)
Engine affected: 4.3L V6
6 model years affected: 1991, 1992, 1993, 1994, more1995, 2000
6 people reported this problem
1 person shared problem details
2000 GMC Sonoma- 4.3L V680,000
My truck leaks water slowly from the bottom of the water pump. I just put In a new pump 4 months ago. Sometime when I am driving my truck over heats and shuts down . Before it overheats I can hear a crackling sound coming from the engine before it dies on me.
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