Service bulletins for the 2009 Western Star 4900
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
417 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Brakes are shown. Show all
| FL756 | 2018-10-29. Service bulletin. SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR; ELECTRICAL SYSTEM. Brake Light Pressure switch may not activate the brake lights with a light application of the brake pedal. |
|---|---|
| 603-13 | 2018-06-18. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. 603-13 SPN 84 -FMI 6 - EPA07-GHG14 |
| 102-13 | 2018-06-11. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. 102-13 SPN 84-FMI 13, 19, 21 (MCM) EPA10-GHG14 |
| sbw4206 | 2018-03-05. Service bulletin. SERVICE BRAKES. sbw4206 Brake Shimmy - Meritor SteeLite X30 Brake Drum With Excessive Runout |
| sbw4205 | 2018-01-16. Service bulletin. SERVICE BRAKES, AIR:DISC:PADS. sbw4205 Bendix Air Disc Brake Thermal Overload Issues |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.