General Motors has declared a stop-sale order and a complete recall of all full-size pickups and SUVs equipped with the problematic L87 6.2-liter V8 engine manufactured between 2021 and 2024. The decision follows numerous reports of total engine failures from owners over the past year, which led to a service backlog at dealerships and triggered an NHTSA investigation earlier this January.
GM’s recall campaign targets half-ton trucks from the 2021-2024 model years, such as the Chevy Silverado and GMC Sierra, as well as full-size SUVs, including the Chevrolet Tahoe and Suburban, GMC Yukon and Yukon XL, and Cadillac Escalade and Escalade ESV. These vehicles may be equipped with a defective engine, potentially causing power loss, engine damage, or even catastrophic failure.
The automaker stated in the recall documents sent to dealers that the connecting rod and crankshaft components might have manufacturing defects. While the specifics of these defects are not detailed, GM acknowledged that engine failure during operation could significantly heighten the risk of a crash.
According to GM Authority, it will voluntarily recall specific full-size trucks and SUV models with the 6.2L L87 engines to address manufacturing issues.
Vehicles that pass inspection will be refilled with higher-weight oil (0W-40 instead of the standard 0W-20), provided with a new oil fill cap and an owner’s manual insert, and may then be returned to inventory.
Earlier this year, the National Highway Traffic Safety Administration (NHTSA) launched an investigation into the issue, projecting that engine failures could affect up to 877,710 vehicles. By January, 39 owners had filed complaints, and several others had initiated lawsuits against GM.
The company will notify owners about the issue and recommend customers to visit the local dealerships for necessary repairs.
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