2015–2018 Western Star 4900 Recall: Aluminum air tanks on these vehicles may have improper welds possibly…
NHTSA campaign 17V124000 · Service Brakes, Air · filed Feb 27, 2017 · verified Jul 30, 2026
The defect
Daimler Trucks North America LLC (DTNA) is recalling certain 2015-2018 Western Star 4900 trucks. The aluminum air tanks on these vehicles may have improper welds possibly resulting in a rapid loss of air pressure.
The risk
A rapid loss of air pressure without warning may cause a sudden application of the park brakes, increasing the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
DTNA will notify owners, and dealers will replace the aluminum air tanks with steel, triple compartment, air tanks, free of charge. The recall began on April 27, 2017. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-732.
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.safercar.gov.
Affected vehicles
Related recalls
More Western Star 4900 recalls
- 2023 Western Star 4900 and 1 other model — A defect in the inversion valve may delay park brake…
- 2022 FCCC MT45G and 16 other models — Tie rod may be missing a fastener, allowing the steer arm…
- 2020–2023 Freightliner 114SD and 5 other models — Vehicles are equipped with tires that are not compatible…
- 2023 Freightliner 114SD and 4 other models — Tie rod clamps may have been improperly heat-treated…
- 2020 Freightliner Cascadia and 4 other models — Gross Axle Weight Rating (GAWR) listed on the Federal…
Other campaigns involving Western Star vehicles
- 2021–2027 Western Star 47X and 1 other model — A stud connecting the battery to the starter at the frame…
- 2020–2026 Freightliner 108SD and 7 other models — Axle clamp fasteners may be loose, which can result in a…
- 2025–2026 FCCC MT45G and 11 other models — Tie rod castle nut and cotter pin may not be installed…
All Western Star 4900 recalls → · All Western Star recalls →
Source: NHTSA recall database, campaign 17V124000 (manufacturer number FL-732). Data last verified Jul 30, 2026.