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Engine
04/11/2025
Vehicle (engine) shut off while driving on highway. Would not restart. Had vehicle towed from highway to repair shop. No check engine light ever came on. The engine was replaced and old one had to be returned in order to avoid paying a $5,000 core charge. I found out after replacing the engine that GM issued a recall but I read it starts with 2019 models and only reimbursement for original owners. I purchased this vehicle from a GM dealership in CT (Scranton of Vernon) in 2022 with approx 52,000 miles.
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Service Brakes, engine, fuel/propulsion System
12/01/2024
ENGINE WORK VALVE INTAKE LIFTER AND CAMSHAFT REPAIRS / OIL SENSOR HAS BEEN GOING HAYWIRE / REAR STRUTS KEEP POPPING OFF AND AFTER STRUTS REPAIRED BOUGHT THE TRUCK 05/2024 AND HAD TO TAKE TO REPAIR 12/2024 AND ONCE MONTH EVER SINCE.
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Engine
06/01/2025
Has lifter chattering / camshaft issues as a result of manufacture defect that so many people are complaining about from the research I have done
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Power Train
06/14/2025
My 2018 GMC Yukon SLE has a Transmission Failure and a engine oil coolant failure. The issues occurred while driving when the vehicle had to go into limp status to prevent the transmission from complete failure. I have taken the vehicle to the dealership 2x and they changed the fluid once and replaced the thermostat the second time. Neither case fixed the vehicle, it is currently in the shop for transmission and radiator w/ engine oil cooler replacement - $8200 The vehicle has been inspected by Aamco of Dover, DE and is awaiting inspection by warranty company 3rd party inspector. There are no warnings before the system is overheated and goes into limp status and at that point an alarm sounds in the car.
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Power Train
01/15/2025
The contact owns a 2018 GMC Yukon. The contact stated that the message "Transmission Hot - Idle Engine" was intermittently displayed. The vehicle was taken to the dealer, where the TCM was reprogrammed, and the thermostat and the water pump were replaced; however, the failure persisted. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 101,000.
