*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
SuspensionCrash
Component: Steering & Suspension / Upper Ball Joint--Catastrophic Structural Failure: On [XXX], at highway speeds on [XXX], the left front wheel completely separated from the upper control arm due to an instantaneous upper ball joint failure. The left tire turned sideways, locking the steering system. The vehicle was equipped with factory stock suspension and GM 24-inch rims-Pre-Accident Diagnostic Negligence: The vehicle exhibited a severe front-end "thumping noise" within the warranty window. It was brought to Lucas Chevrolet on [XXX] (31,901 miles) and Burlington Chevrolet on [XXX] (with a "Service 4WD" light active). Both certified facilities failed to perform physical tear-downs or…
Oct 12, 2026SuspensionCrash
Component Affected: Suspension / Steering / Wheels / Front Hub Assembly Description of the Safety Defect & Incident: Proactively brought the vehicle to two separate authorized Chevrolet dealerships due to a severe thumping noise when turning the steering wheel. I explicitly stated to service staff that the vehicle felt unstable and unsafe to drive. Both dealerships performed inspections, stated they found no issues, and released the vehicle back to me. Shortly thereafter, while driving at full highway speed during rush hour, the front-end suspension/hub assembly suffered a catastrophic structural failure. The front driver-side wheel completely turned sideways and broke off, causing the…
Oct 12, 2026Visibility/wiper
driving down i30 at 70MPH and the rear passenger window exploded on my 10 year old child.
Aug 28, 2026Engine
Valve spring broke at approximately 5200 miles. Dealer replaced the head.
Jun 1, 2026Engine and engine cooling
The contact owns a 2025 Chevrolet Suburban. The contact stated that while driving approximately 65 MPH, a banging noise was heard coming from the engine compartment, and the vehicle decelerated. In addition, several warning lights, including the check engine light and the anti-lock braking system light illuminated. The contact pulled over to the side of the road, turned off the vehicle, and had the vehicle towed to a dealer. The dealer diagnosed that the engine and radiator failed and needed to be replaced. The engine and radiator were replaced. Approximately 5 months and 6,000 miles later, the failure recurred and the engine began to run rough. The vehicle was returned to the dealer, where…
Apr 28, 2026 · 17,000 milesEngine
3.0 Duramax engine failure at 5900 miles. Apparently is from the known thrust bearing issue. MIL, CEL, TCM illuminated. Failure occurred at 60 mph during rush hour traffic. Engine is being replaced under warranty. GM should issue recall for the affected lot of this engine.
May 8, 2026Engine
3.0 Duramax, thrust bearing engine failure. Less than 6000 miles on vehicle. Driving at 60 mph when vehicle went into major limp mode. Had TCM, Charging and coolant lights illuminate. GM is replacing engine under warranty. Indicated there was approximately a 2 week engine production window where this issue is being traced back to. GM should issue recall if they know the extent of condition and the cause(s).
May 8, 2026Power train
2025 CHEVROLET SUBURBAN HIGH COUNTRY. Vehicle is parked in my garage. Went out in the AM and the engine only cranks, will not start. Called On Star for roadside assistance. Sent a tow truck, the vehicle could not be towed due to the electronic transmission. There is no way for an owner to place the transmission in neutral. Vehicle is stuck in my garage. GM customer service referred me back to roadside assistance who for the second time stated that they could not help me. This is a serious issue. The fact that the transmission can NOT be shifted into neutral unless the engine is running is a very serious safety concern.Called GM helpline a second time. They said that I should call for a tow…
Apr 20, 2026
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.