Complaints received by the agency allege a bearing failure that may result in either an engine seizure or a breaching of the engine block. GM said it is cooperating with the agency.

Complaints lead NHTSA to examine certain Silverado, GMC Sierra, Chevrolet Tahoe, Suburban, GMC Yukon and Cadillac Escalade trucks and SUVs.

The National Highway Traffic Safety Administration is investigating reports of alleged engine failures in GM's 6.2-liter L87 V-8, an engine used in a wide variety of trucks and SUVs. NHTSA estimates that more than 877,710 vehicles could be vulnerable to the issue.

The U.S. National Highway Traffic Safety Administration (NHTSA) has initiated an investigation into 877,710 General Motors vehicles.

The ODI currently investigates L87 engine failures in 2019 through 2024 trucks and sport utility vehicles from the Chevy, GMC, and Caddy brands

The National Highway Traffic Safety Administration (NHTSA) has launched a preliminary investigation into engine failures affecting nearly 878,000

The National Highway Traffic Safety Administration on Friday opened an investigation into 870,000 cars manufactured by General Motors after receiving reports of engine failure.