Car Problem Reports

GMC 3500 Pickup Quick-Connect Fittings For Heater Hoses May Leak Engine Coolant

 
GMC 3500 Pickup Problem
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Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000

Heating & Air Conditioning Affected: 5.7L V8

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The quick-connect fittings for the heater hoses tend to leak engine coolant. This problem commonly occurs because the metal housing has become brittle, which can break and cause leaks.

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