There are 3 owner-reported visibility & wipers complaints for the 2018 GMC Yukonin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
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.
AIR CONDITIONING CONDENSER REFRIGERANT LEAKED, PREVENTING AC FROM FUNCTIONING. COULD LEAD TO VISIBILITY ISSUES DUE TO DEFROSTER NOT FUNCTIONING PROPERLY. REPORTED PROBLEM IN NHTSA 10166241 (GM SPECIAL COVERAGE 17336), BUT VEHICLE HAD CONDENSER SHIELD USED AS 'SOLUTION' TO PROBLEM. STILL LEAKED AND GM WOULD NOT COVER REPAIR COSTS.
THE CAR WAS PARKED, ALL OF A SUDDEN WE HEARD A BOOM AND THE REAR WINDOW HAD EXPLODED OUTWARD AND SHATTERED, WITH THE LATCH STILL ATTACHED TO THE REAR TAILGATE. THE HYDRAULIC ARMS WERE UP AND EXTENDED, INDICATING THE WINDOW HAD POSSIBLY TRIED TO OPEN, BUT DIDN'T UNLATCH, AND THEN SHATTERED. NOBODY WAS INSIDE THE VEHICLE OR HAD THE KEYS ON THEM, SO THE REAR TAILGATE WAS NOT ACTIVATED IN EITHER WAY.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026