Service bulletins for the 2012 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.
628 on file from NHTSA, as of 2026-10-19.
By type
By component
By topic
| 502-14 | 2018-06-18. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. 502-14 FMI 4 SCR Inlet Temperature High |
|---|---|
| 507-14 | 2018-06-18. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT ADAPTIVE/MOBILITY. 507-14 Inspection of the DD15 and DD16 Axial Power Turbine |
| 506-14 | 2018-06-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). 506-14 506-14 Removal and Installation and Inspection of the Exhaust Gas Recirculation Valve Actuator Pull Rod |
| 607-13 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 607-13 SPN 3361-FMI 7- EPA10 |
| 604-13 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT. 604-13 Performing a Parked Regeneration |
| 611-13 | 2018-06-18. Service bulletin. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; FUEL SYSTEM, DIESEL. 611-13 Removal and Installation of the GHG14 Six-Gallon Diesel Exhaust Fluid Tank Header |
| SF483 | 2018-06-18. Service bulletin. PARKING BRAKE. SF483-DLR Western Star ECC Park Brake Output Signals |
| 0405-18 | 2018-06-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). 0405-18 Symptom Diagnostics - Range Up or Down Shift Issue |
| 0401-18 | 2018-06-18. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 0401-18 SPN 1231 (MCM) (EPA10 GHG14) |
| ICI18-014 | 2018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. ICI18-014 Owner Notice ? Kidde Fire Extinguisher Recall |
| 18SP684 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 18SP684Rev3 EPA07 and EPA10 DD Platform EGR Delta Pressure Sensor Update |
| ssbw49019 | 2018-06-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. ssbw49019 Manguera de presión del líquido de escape diésel (DEF) desconectada en la conexión del dosificador |
| ssbw42010 | 2018-06-18. Service bulletin. AIR BAGS; SERVICE BRAKES. ssbw42010 Inspección de fugas de aire del transportista concesionario |
| sbw5439 | 2018-06-18. Service bulletin. ELECTRICAL SYSTEM. sbw5439 RX Module Fault Codes |
| sbw4206 | 2018-06-18. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM; SERVICE BRAKES, AIR:DRUM. sbw4206 Brake Shimmy?Meritor® SteeLite X30? Brake Drum With Excessive Runout |
| fsbw49019 | 2018-06-18. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. fsbw49019 Conduite sous pression de fluide pour échappement diesel (DEF) débranchée au niveau du raccordement du doseur |
| fsbw42010 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING. fsbw42010 Inspection d'absence de fuites d'air par les transporteurs concessionnaires |
| fsbw42009 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING. fsbw42009 Diagnostic de fuite d'air |
| FL756 | 2018-06-18. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS. FL756 Brake Light Pressure Switches |
| 13TS6 | 2018-06-11. Service bulletin. ENGINE. 13TS6 DD Platform Engine Oil Filter.pdf |
| 13TS5 | 2018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE. 13TS5 DD Platform Fuel Filter Module |
| 13WO-2 | 2018-06-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 13WO-2-New Standard Rpr Times orgl 11WO2 New Standard Repair Times for EPA07-10 DD13-15 Diagnostic Tests |
| 207-13 | 2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 207-13 Removal and Installation of the Camshaft Housing |
| 18SP693 | 2018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE. 18SP693 EPA07-10 Fuel Rail Clamp Service Kit (P-N A4720780335) for DD Platform-Three-Filter Fuel System Engines |
| SF471 | 2018-06-11. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SF471-DLR Detroit Axles Driver-Controlled Differential Locks |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.