2023 Western Star 4900 problems

Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Western Star 4900 and Western Star 6900 vehicles. A defect in the inversion valve may delay park brake engagement, which could allow the vehicle to move unintentionally. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

Consequence

Unintentional vehicle movement can increase the risk of a crash or injury.

Remedy

DTNA will inspect and replace the inversion valves, as necessary free of charge. Owner notification letters were mailed February 27, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL992.

Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2022 FCCC Shuttle Chassis, 2022-2023 FCCC RV Chassis, FCCC Van Chassis, Van Chassis Gas, 2023 Freightliner Cascadia, Freightliner Business Class M2, Thomas Built Bus School Bus Chassis, Western Star 4700, Western Star 47X, Western Star 4900, and Western Star 49X commercial buses. The tie rod may be missing a fastener, allowing the steer arm to detach.

Consequence

A detached steering arm can result in a sudden loss of steering control, increasing the risk of a crash.

Remedy

DTNA will inspect and repair or replace the tie rod assembly as necessary, free of charge. Owner notification letters were mailed August 11, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL970.

Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2022-2023 Western Star 4700 and 2023 Western Star 4900, 49X, 6900, and Freightliner 114SD vehicles. The tie rod clamps may have been improperly heat-treated, causing them to crack and allowing the tie rods to separate.

Consequence

Tie rod separation can result in a sudden loss of steering, increasing the risk of a crash.

Remedy

Dealers will replace the tie rod clamps, free of charge. Owner notification letters were mailed Marc 15, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL955.

Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Western Star 4900 trucks. The inversion valve air lines may have been incorrectly installed, potentially reducing brake performance.

Consequence

Reduced brake performance increases the risk of a crash.

Remedy

All vehicles have been remedied, therefore no owner notification letters are necessary. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-924.