GMC Yukon owners have reported 1 problem related to defroster/defogger/hvac system refrigerant hoses and fittings (under the visibility category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Yukon based on all problems reported for the Yukon.
The contact owns a 2018 GMC Yukon. The contact stated that the a/c unit failed to function properly. The vehicle was taken to a local dealer where it was diagnosed that the a/c coolant line was leaking and needed to be replaced. The vehicle was repaired under warranty. The contact was concerned that the failure could cause medical health risks during high weather temperatures. The manufacturer was not made aware of the failure. The failure mileage was approximately 54,000.
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