Service bulletins for the 2003 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.
145 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Equipment and accessories are shown. Show all
| 1010-14 | 2017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 1010-14 SPN 2623 (CPC) (GHG14) |
|---|---|
| 18SP684REV4 | 2017-11-17. Service bulletin. EQUIPMENT. 18SP684Rev4 18SP684Rev4 ? EPA07 and EPA10 DD Platform EGR Delta Pressure Sensor Update |
| 18SP705REV5 | 2017-11-17. Service bulletin. EQUIPMENT. 18SP705Rev5 18SP705Rev5 ? DD Platform Delta Pressure Sensor |
| 14-039 | 2017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14-039 New Detroit Standard Diagnostic Times |
| 14-038 | 2017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14-038 Additional Detroit Standard Repair Times |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.