General Motors will replace the engines for free in 2023 Chevrolet Colorado, 2023 Chevrolet Silverado 1500 and 2023 GMC Sierra 1500 trucks.
GM announced customer satisfaction program N232415060, titled Block Main Oil Gallery Hot Core Pin Casting Defect, after discovering the 2023 Chevrolet and GMC engine blocks were manufactured with cracks.
GM didn't provide many details about the program, but free engine replacements are available until March 31, 2026.
Owners with questions about the customer satisfaction program should begin by calling their dealership as soon as possible to schedule an appointment to have the engine replaced. Dealers will need to have the replacement engines and parts to finish the job.
If things don't work out with an owner's GM dealer, they should call Chevrolet at 800-222-1020 or GMC at 800-462-8782 and ask about customer satisfaction program N232415060.