Overheating and/or Coolant Loss Due to Leaking Quick-Connect Fitting on Chevrolet 3500 Pickup

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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Average mileage: 135,770 (127,540–144,000)
Heating & Air Conditioning affected: 5.7L V8
11 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999, 2000
14 people reported this problem
2 people shared problem details
I found the problem, ordered the part through the dealer and repaired it myself.
quick connect leaking
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