Service bulletins for the 2018 Western Star 4700
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.
529 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Transmission and driveline are shown. Show all
| 812-14 | 2017-11-17. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. 812-14 FMI 3, 4: Engine Aux. Shutdown Input Failed High and Low |
|---|
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.