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.
Average mileage: 135,770 (127,540–144,000)
Heating & Air Conditioning affected: 5.7L V8
14 people reported this problem
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I found the problem, ordered the part through the dealer and repaired it myself.
quick connect leaking