Close
GMC 3500 Pickup Problems

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

Problem Description and Possible Solution

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.

(12 people reported this problem)

GMC 3500 Pickup Vehicles With This Problem

RepairPal Verified
Average mileage: (–)
Heating & Air Conditioning affected: 5.7L V8
11 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999, 2000
Not Your GMC 3500 Pickup Problem?
Brake problem? Or maybe a faulty head gasket cylinder?
Learn About Your Car Problems
Search For a Specific Car Problem
Viewing 0 comments