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Chevrolet Astro Leaking Water Pump May Cause Coolant Loss and Overheating

 
Chevrolet Astro Problem
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Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995

Engine Affected: 4.3L V6

Average Mileage: 165,500 mi (139,000 mi - 192,000 mi)

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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.

  • Visitor, , 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 fine

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