General Motors (GM) has announced a significant recall affecting 597,630 of its full-size trucks and SUVs in the United States. The recall is due to potential issues with the V8 engines that may fail unexpectedly, thereby increasing the risk of accidents.

Details of the Recall

The recall stems from manufacturing defects in the connecting rod and crankshaft components of the engines, which could lead to severe engine damage or failure without any prior warning, as detailed in documents released by the National Highway Traffic Safety Administration (NHTSA).

Investigation by U.S. Safety Regulators

This recall follows an investigation launched by U.S. auto safety regulators due to reports of engine failures in GM vehicles, including the popular Silverado model. Previously, the NHTSA had noted an inquiry affecting an estimated 877,710 vehicles after receiving numerous complaints regarding engine issues linked to L87 V8 engines.

Affected Models

The recall includes the following models equipped with V8 engines:

• 2021-2024 Cadillac Escalade and Escalade ESV
• Chevrolet Silverado 1500, Suburban, and Tahoe
• GMC Sierra 1500, Yukon, and Yukon XL

Next Steps for Owners

To address the engine issues, GM will inspect and repair or replace the affected engines at no cost to the owners. Notification letters are expected to be sent out on June 9, 2025. Owners can reach Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782 for further assistance.

The NHTSA also encourages owners to contact their Vehicle Safety Hotline at 1-888-327-4236 or visit nhtsa.gov for more details. The official recall number from GM is N252494000, while NHTSA’s reference for the recall is 25V-274.

Recent Recalls by GM

In addition to this latest recall, GM previously recalled nearly 462,000 vehicles due to faulty transmission control valves that could potentially cause the rear wheels to lock up.