2022 Chevrolet Suburban Engine Problems

6.2l engine was losing power in Oct 2025. Took to dealership to address L87 recall. Oil change was completed and recall was closed. In March 2026, vehicle lost full power while driving on highway with other traffic. Vehicle was towed to dealership. Battery replaced. April 2026, vehicle lost power again on highway with traffic. Vehicle towed back to dealership. Both incidents inbolved children in the car and the vehicle was unresponsive and two crashed were narrowly avoided. GM notified. Case No.XXX This is related to NHTSA Recall Query XXX. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

camshaft failure cylinder 7

The contact owns a 2022 Chevrolet Suburban. The contact stated that while changing the oil and filter, there were metal shavings found in the oil filter. The vehicle was not taken to the dealer; however, the dealer was notified of the failure over the phone. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 115,000.

2/24/2026 Sitting at red light, very busy road, vehicle cut off and said push to start. Vehicle would not start and would not shift out of park to push out of road. Very dangerous to be stranded in moving traffic. Had to be towed to dealer and it's still there waiting on engine replacement.

Engine locked up going 75mph on highway. The vehicle's 6.2L V8 engine was recalled in 2025. Result of recall inspection was to change oil type to 0w-40. The vehicle is in the process of being inspected by dealer.

ON MY THIRD ENGINE 12626 MILES ON IT . HAD OIL CHANGED . OPENED OIL FILTER CANISTER FOUND METAL SHAVINGS BLACK SLUGE NEW ENGINE SERIAL N1251074N44X0872 THIS THE # FOR ENGINE 3

I own a 2022 Chevrolet Suburban RST that has experienced ongoing mechanical and safety issues over several years. I first began reporting drivability concerns to General Motors and the dealership in 2023 and continued contacting them throughout 2024 and 2025. During one dealership visit, a sales advisor rode in the vehicle with me and stated they did not observe any issues, despite my continued reports. The vehicle later suffered a loss of propulsion and required a full engine replacement. The radiator and cooling components were also replaced by a Chevrolet dealership. Due to ongoing concerns for my safety, I contacted General Motors multiple times, requested an executive buyback, and asked about Lemon Law options. GM advised that the engine had been replaced and that I needed to take ownership of the vehicle. After picking up the vehicle last Wednesday, I immediately noticed a persistent sweet coolant/radiator odor inside the cabin and outside the vehicle that continued for nearly a week. I also experienced engine hesitation/stuttering when stopped at traffic lights as the auto start/stop feature reengaged. I attempted to contact GM again regarding these concerns prior to today’s incident. Today, while driving, the vehicle displayed an engine overheating warning instructing me to turn the car off immediately. I safely pulled over and shut the vehicle down and am currently stranded roadside. Given the repeated failures, history of loss of propulsion, multiple repair attempts, denied buyback requests, persistent coolant odor, drivability issues, and now overheating shortly after engine and radiator replacement, I believe this vehicle presents an ongoing safety risk and request formal investigation.

Car initially started stuttering on the high, check engine and traction control lights came on. I immediately went to the nearest Chevy dealership a mile away. Initially I had 20 error codes. The problem was the Left side lifters 4 of 8 stop working. Dealership recommended Replace Left lifters, 2 push rods, valve cove, head gasket. $5000. After starting the work. The technician could not repair the lifters because my camshaft is pitted and the RODS were rotating. Their recommendation is to replaced the whole engine to fully fix the problem. $12000 with 3 yr warranty. My SUV just 100kmiles.

Engine failed while driving. Vehicle began making clicking noise less than one minute for engine shut off while driving. Check engine light came on after engine shut off. Car was stopped at a busy intersection and couldn’t move. Car is currently at Chevrolet dealership and is in need of a total engine replacement

The contact owned a 2022 Chevrolet Suburban. The contact stated that while the vehicle was parked with the engine running, the front of the vehicle began to shake violently, with a knocking sound coming from the engine compartment. The check engine, traction control, and collision warning lights were illuminated. The contact called an independent mechanic; however, the vehicle was not diagnosed or repaired. The contact later visited the dealer and was informed that the vehicle needed to be brought in for diagnostic testing. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 97,000.

I own a 2022 Chevrolet Suburban (VIN: [XXX] ) that is included in NHTSA Recall No. 25V274 / GM Recall No. N252494000 for engine defects in the 6.2L L87 V8 engine. My vehicle was inspected at an authorized GM dealer today, on 9/23/2025 (Don K in Whitefish Montana). Instead of replacing the engine, the dealer performed the recall “remedy” of switching to higher-viscosity oil, changing the oil cap and filter, and providing an owner’s manual insert. However, the dealer service manager specifically told me that my engine will eventually fail due to the known defect and advised me not to drive the vehicle on long trips. He also told me to be careful driving if I have children, and it is only a matter of time before the engine fails, which will look like sudden shuttering, loss of acceleration and it will no longer run. He told me wait time to get a new engine after it fails is currently 8 months. This is alarming because the recall notice states that engine failure can cause sudden loss of propulsion without warning, which could be catastrophic going across multiple lanes of highway (from my home street), and entering and exiting my street via the 4 lane highway "suicide lane". I am very worried about this in the coming winter season with snow and ice. The current “oil upgrade” remedy does not resolve the underlying manufacturing defect in the connecting rod and/or crankshaft. Even after the recall service, my vehicle remains unsafe to operate, and the dealer’s own warning confirms this. I request that NHTSA review GM’s recall remedy to ensure that it adequately addresses the safety defect. A true remedy should involve replacement of the defective engine components, not just an oil change, or an immediate buy back of my automobile by the company so I can purchase another safer vehicle. My family and I do not feel safe driving this vehicle, and the manufacturer’s current approach does not eliminate the risk of catastrophic engine failure. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

I want to complain that my 6.2L V8 engine was “inspected” and they deemed it OK, then proceeded to make a requirement of thicker oil for its life. I was also given a long term warranty on the engine, however it is non-transferable, therefore the re-sale value of the vehicle is damaged beyond normal conditions. The engine is suspect, why else would it need thicker oil? The engine is all over the news with the recall, therefore why would anyone want to purchase my used vehicle based on that press and no further warranty? GM needs to make this right! That 10-year or 150,000 miles means nothing to re-sale value if is not transferable.

The motor on this vehicle has been on recall since April of 2025. Several phone calls and a cancelled appointment by the dealership has netted a consistent "we have no information and aren't ready to fix the vehicle." Today, I was directed to the NHTSA to self-monitor when my vehicle would be ready for repair or inspection. Meanwhile, I drive a Suburban because I have five children that I am constantly transporting to school, sports events, scouts, etc. I have grave concerns over an engine failure while I am transporting my children and the risk of an accident.

The coolant control valve malfunctioned on this vehichle several times during the course of ownership. It causes the vehichle to run in limp mode. This part was replaced in July 2023 at ~40,000 miles as a result. The part again began to fail in june/july 2025 with a dealer visit and diagnostic in July. This causes a check engine light, reduced milage, reduced acceleration, constant fan running and fails state inspection Google searches indicate this is a very common problem, yet no recall has occured to date. The first repair was in warrantee and now the vehicle is out of warantee. If the part was not covered under the vehicle warrantee, the part and repair would have been covered by the part warantee. Becsuse of the initial powertrain warrantee repair, the part warrantee does not apply. This is clearly a defective design and part that requires recall and replacement at GM cost

We experienced catastrophic failure while driving the vehicle on the highway. It stopped working with no warning leaving our family stranded in the lane with heavy traffic all around us. The steering wheel would not move the car would not go in neutral and there was a burning smell coming from the hood. My kids were terrified. We had to wait for state police and a tow truck while praying that the cars behind us would stop in time. We are very lucky there was not an accident. The car is with the Chevy dealer now.

53,000 miles. While on highway, engine turned off completely. Coasted off the exit ramp into a parking lot. Engine started again with no issue. 2 days later: engine started knocking very loudly. Vehicle completely died while driving on street. No start, no crank, couldn't shift to neutral. Dash would turn on, but that was it.

The contact owns a 2022 Chevrolet Suburban. The contact stated while driving at approximately 55 MPH, the accelerator pedal was depressed and there was an abnormal banging sound coming from the rear of the vehicle and the vehicle lost motive power. The contact depressed the accelerator pedal; however, the vehicle lost motive power and stalled. The contact stated there was no warning light illuminated. The contact had the vehicle towed to a dealer. The dealer determined that the engine had failed but was unable to diagnose the failure. The vehicle was not repaired. The manufacturer was informed of the failure but informed the contact that the vehicle was no longer covered under warranty. The contact researched online and related the failure to NHTSA Action Number: PE25001 (Engine, Engine and Engine Cooling). The failure mileage was approximately 90,000.

The contact owns a 2022 Chevrolet Suburban. The contact received notification of NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that there was a knocking sound coming from the engine while remotely starting the vehicle. The dealer was contacted and confirmed that there was no part for the repair. The manufacturer was made aware of the issue. The failure mileage was approximately 15,000. VIN tool confirms parts not available.

This is the second engine failure. First engine was completed being installed on 7/26/24 also reported catastrophic engine failure. Second engine was installed completion date on 4/04/25 it also had spun 2 rob bearings

6.2 engine with catastrophic engine failure. No warning prior to failure.