Service bulletins for the 2016 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.
718 on file from NHTSA, as of 2026-10-19.
By type
By component
| 0306-17 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. (ACM) (GHG17) |
|---|---|
| 0307-17 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. (ACM) (GHG17) |
| 0307-17 SPN | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. (ACM) (GHG17) |
| 0316-17 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING. (MCM) (GHG17) |
| 0318-17 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING; ENGINE. (MCM) (GHG17) |
| 0317-17 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. (MCM) (GHG17) |
| 0319-17 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). (MCM) (GHG17) |
| 0311-17 | 2018-06-18. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. (MCM) (GHG17) |
| 0312-17 | 2018-06-18. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. (MCM) GHG17 |
| 0320-17 | 2018-06-18. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. (MCM)(GHG17) |
| 0329-17 | 2018-06-18. Service bulletin. ENGINE. Symptom Diagnostics - Oil Leaks |
| 0304-17 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE. Contaminated Fluids Diagnostic Tests |
| 0305-17 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). Diagnostic Tests |
| 0326-17 | 2018-06-18. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. (ACM) (GHG17) |
| 0327-17 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. (ACM) (GHG17) |
| 0346-17 | 2018-06-18. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. (CPC) (GHG17) |
| 0308-17 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. (ACM) (GHG17) |
| 0315-17 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. GHG14 - Intake Manifold Pressure Too Low |
| 0314-17 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. GHG14 Intake Manifold Pressure Too Low |
| 0303-17 | 2018-06-18. Service bulletin. ENGINE. (CPC)(EPA10-GHG14) and SPN 98 (CPC)(GHG17) |
| 0301-17 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 0301-17 Contaminated Fluids |
| sbw0001 | 2018-06-18. Service bulletin. EQUIPMENT. sbw0001Validity List Western Star |
| 608-13 | 2018-06-18. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. 608-13 High Pressure Fuel Flange-Two-Filter System |
| sbw54065 | 2018-06-18. Service bulletin. ENGINE; EQUIPMENT. GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Gauge |
| sbw5439 | 2018-06-18. Service bulletin. ELECTRICAL SYSTEM. RX Module Fault Codes |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.