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Service bulletins for the 2011 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.

552 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
518-132018-06-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT; FUEL SYSTEM, DIESEL. 518-13 SPN 4334-FMI 4 - GHG14
13TS252018-06-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Issues with PTO and Remote Throttle Combinations
13M2-022018-06-25. Service bulletin. EQUIPMENT. 13m2- Equipment Owner Field Service Campaign - 13M2
13M22018-06-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 13m2 -Final-23-SEP-2013 Field Service Campaign 13M2
0107-152018-06-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 0107-15 Enhanced Steam Clean
sbw00012018-06-18. Service bulletin. EQUIPMENT. sbw0001Validity List Western Star
717-132018-06-18. Service bulletin. EQUIPMENT; ENGINE; EQUIPMENT:MECHANICAL; EQUIPMENT ADAPTIVE/MOBILITY. 717-13 Oil Pan
sbw54552018-06-18. Service bulletin. EQUIPMENT. sbw5455 Virtual Technician Retrofit
505-142018-06-18. Service bulletin. FUEL SYSTEM, OTHER:FUEL FILTER; EQUIPMENT ADAPTIVE/MOBILITY. 505-14 Fuel Cooler Leak Test Procedure - Three-Filter Fuel System
504-142018-06-18. Service bulletin. EQUIPMENT; FUEL SYSTEM, OTHER:FUEL FILTER. 504-14 Test-E - Three-Filter Fuel System
503-142018-06-18. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT. 503-14 FMI 3, 4: High Side Digital Output 3 Circuit Failed High
516-142018-06-18. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 516-14 FMI 3, 4: DEF pressure sensor circuit failed hig
519-142018-06-18. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL. 519-14 FMI 1: SCR NOx Conversion Efficiency Very Low
502-142018-06-18. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. 502-14 FMI 4 SCR Inlet Temperature High
507-142018-06-18. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT ADAPTIVE/MOBILITY. 507-14 Inspection of the DD15 and DD16 Axial Power Turbine
506-142018-06-18. 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
604-132018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT. 604-13 Performing a Parked Regeneration
0401-182018-06-18. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 0401-18 SPN 1231 (MCM) (EPA10 GHG14)
ICI18-0142018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. ICI18-014 Owner Notice ? Kidde Fire Extinguisher Recall
18SP6842018-06-18. 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
13WO-22018-06-11. 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
sbw54552018-06-11. Service bulletin. EQUIPMENT. sbw5455 Virtual Technician Retrofit
301-132018-06-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 301-13 SPN 5018- FMI 18 -GHG14
FL6332018-06-11. Service bulletin. EQUIPMENT:OTHER:LABELS. FL633-DLR Certification Door Labels - Tire Inflation
ICI12-0242018-06-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. ICI12-024-DLR SF453 - Termination Date Extended

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.