Service bulletins for the 2020 Western Star 5700
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.
159 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Transmission and driveline are shown. Show all
| SB26-005 | 2019-09-28. Service bulletin. POWER TRAIN. Service Bulletin for DT12 PTO Upfit |
|---|---|
| SB26-004 | 2019-09-28. Service bulletin. POWER TRAIN. Service Bulletin for DT12 Transmission Cooler Retrofit |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.