PACCAR Incorporated (PACCAR) is recalling certain 2025 Peterbilt 536, 548, 567, 579, and Kenworth T280, T380, T480, T680, T880, and W990 vehicles. The steering gear sector shaft may have been improperly heat-treated, which can cause the gear teeth to crack or fracture.
Fractured steering gear teeth can cause a loss of steering control, increasing the risk of a crash.
Dealers will inspect the serial numbers, and replace the steering gears as necessary, free of charge. Owner notification letters were mailed August 7, 2024. Owners may contact Kenworth customer service at 1-425-828-5888 and Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are 24PBF and 24KWF.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.