Service bulletins for the 2017 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.
670 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Exhaust and emissions are shown. Show all
| 0119-17 | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). 0119-17 SPN 3217 (MCM) (GHG17) |
|---|---|
| 0116-17 | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). 0116-17 SPN 4752 (MCM) (GHG17) - EGR Cooler Efficiency Fault Codes |
| 0115-17 | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 0115-17 SPN 3226 (ACM) (EPA10;GHG14) |
| 1205-15 | 2018-03-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. 1205-15 Selective Catalyst Reduction (SCR) Inlet Temperature Sensor |
| 0514-16 | 2018-03-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). Cleaning of the Exhaust Gas Recirculation Venturi Pipe Delta P Sensor Ports |
| 0515-16 | 2018-03-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). Exhaust Gas Recirculation Valve |
| 08 09-16 | 2016-10-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 0809-16 SYMPTOM DIAGNOSTICS : NOISY 1- BOX™ AFTERTREATMENT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.