2018 GMC Yukon Xl

1. What component or system failed or malfunctioned, and is it available for inspection upon request? The engine (6.2L L87 V8) failed completely. The engine experienced knocking and rattling noises prior to the failure and then stopped functioning altogether while driving. The engine was replaced by Village Auto in Bellmore, and the failed engine is no longer available for inspection, as it was removed and replaced during the repair process. 2. How was your safety or the safety of others put at risk? The engine failure occurred while the vehicle was in motion, creating a dangerous situation where the vehicle suddenly started shaking and could not be driven. This posed a serious safety risk to me, my passengers, and other drivers on the road due to the loss of engine power, steering, and acceleration control in traffic conditions. 3. Has the problem been reproduced or confirmed by a dealer or independent service center? Yes. The issue was confirmed by an independent service center, Village Auto in Bellmore, which diagnosed the engine as irreparably damaged and requiring a full replacement. 4. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? The vehicle was not inspected by General Motors, police, or insurance representatives. Insurance would not cover this issue and General Motors failed to take responsibility for a fault in the engine. 5. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? No - all happened at once - engine light and complete failure

The contact owns a 2018 GMC Yukon XL. The contact stated while driving 50 MPH, the check engine warning light was flashing. Additionally, there was an abnormally loud sound coming from underneath the hood, and the hood was shaking. The contact was able to drive to the residence. The vehicle was towed to Village Auto, where it was diagnosed and determined that the engine had failed and needed to be replaced. The vehicle was repaired. Village Auto contacted an unknown dealer. The contact later became aware of NHTSA Action Number: PE25001 (Engine, Engine and Engine Cooling), which the contact related to the failure. The manufacturer was notified of the failure and informed the contact that the repair could not be covered because the VIN was not included in a recall and due to the mileage on the vehicle. The failure mileage was approximately 60,000.

2018 Yukon Denali engine failed June 2024 due to the lifter being bent. The dealership Richey Cadillac in Daytona Beach estimated the repairs at $18,862 and were going to have my vehicle for months. I took it to my mechanic who rebuilt the engine for $7181 in 30 days. My safety was placed at risk because while driving I had to pull over since I had no control with the engine failure. There were no messages prior to the failure.

The contact owns a 2018 GMC Yukon XL. The contact stated while driving at an undisclosed speed, the vehicle stalled with no warning light illuminated. The vehicle was able to restart. The vehicle was taken to an independent mechanic where it was diagnosed with engine failure and the contact was informed that the engine needed to be replaced. The vehicle was not repaired. The vehicle was towed to the dealer where the same diagnostic result was provided to the contact. The contact was informed that the engine needed to be replaced. The vehicle was repaired; however, the failure recurred. The manufacturer was not made aware of the failure. The approximate failure mileage was 70,000.

2018 Yukon XL: Safety of family put at risk over faulty transmission. Vehicle used to transport children many times daily. Transmission began slipping with slight lagging. Vehicle assessed by independent service center and we as customers told this is a common issue with GMC vehicles of this year. Service center was able to reproduce and confirm the issue. Total to rebuild entire transmission was $7,377.33. Total transmission failure. Entire transmission had to be replaced at tremendous expense to our family. Transmission began slipping with slight lagging. Engine RPM's would increase with no additional power or speed.

The contact owns a 2018 GMC Yukon XL. The contact stated that the A/C unit had failed to operate as needed. The vehicle was taken to a dealer where the contact was provided an estimate for a diagnostic test. The contact then decided to take the vehicle to an independent mechanic to be diagnosed. The mechanic discovered a hole in the A/C condenser. The manufacturer was notified of the failure, and the contact was informed that the VIN was not under recall for the failure. The vehicle was not repaired. The failure mileage was approximately 73,000.

Both second row seatbelt retractors have had issues retracting. We had them checked today while our car was in for other issues. Both seatbelt retractors are broken and need replacing ($1600). Without replacing them, the passengers using those seats would be at grave risk in an accident. We are the original owners of the vehicle, our young children are fastened in their booster seats with parental help. There has been no extreme wear and tear or any abuse to the seatbelts.

The contact owns a 2018 GMC Yukon XL. The contact stated that while her husband was driving 20 MPH in two wheel-drive(2WD), the vehicle started reversing while the transmission was in drive(D). The contact stated that after her husband switched to four-wheel-drive(4WD) and exceeded 40 MPH, the vehicle responded as needed. The vehicle was driven to the grandparent's residence, where it was parked. The check engine warning light was illuminated while the transmission was in park(P). The vehicle was then towed to an independent mechanic, who replaced the torque converter, the transmission, and several other unknown parts. No further information was available. The manufacturer was made aware of the failure and advised the contact to file a complaint with the NHTSA Hotline. The failure mileage was approximately 102,000.