Cadillac Escalade Problem Report

Cadillac Escalade Overheating and/or Coolant Loss Due to Leaking Quick-Connect Fitting

(5 reports)

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.

Snap on split connector at firewall. -
After repeatedly needing to refill the coolant reservoir, looked for the source and easily found traces of coolant on transmission oil filler tube, directly below the quick connect fitting on coolant line going through firewall. The tee connector needed to be replaced. -
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