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Service bulletins for the 2009 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.

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

By type

By component

Bulletins, newest first
1006-142017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 1006-14 SPN 4374 (ACM) (GHG14)
1008-142017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 1008-14 SPN 3510FMI 4,7, and 8 (CPC)(GHG14)
1010-142017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 1010-14 SPN 2623 (CPC) (GHG14)
1005-142017-11-17. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. 1005-14 Oil Coolant Module
14CSA232017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14CSA23 CSC Announces ?Tech Tips? ? DDCSN
14CSA222017-11-17. Service bulletin. ELECTRICAL SYSTEM:WIRING. 14CSA22 DTNA Chassis Wiring Diagrams
14CSA212017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14CSA21 Holiday Schedule for the Detroit Customer Support Center ?
14CSA202017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14CSA20 EGR Valve Actuator Kit P/N E23539699
18SP684REV42017-11-17. Service bulletin. EQUIPMENT. 18SP684Rev4 18SP684Rev4 ? EPA07 and EPA10 DD Platform EGR Delta Pressure Sensor Update
18SP705REV52017-11-17. Service bulletin. EQUIPMENT. 18SP705Rev5 18SP705Rev5 ? DD Platform Delta Pressure Sensor
14-0402017-11-17. Service bulletin. ENGINE. 14-040 Additional Detroit CLOs for the Heavy Duty Engine Platform
14-0392017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14-039 New Detroit Standard Diagnostic Times
14-0382017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14-038 Additional Detroit Standard Repair Times
sb20802017-11-17. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. sb2080 Australian CST M1400 Isolated Radiator Retrofit
1108-142017-10-21. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. 1108-14 SPN 636 (MCM) (EPA07;EPA10;GHG14)
1109-142017-10-21. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. 1109-14 Diagnostic Tes
1104-142017-10-21. Service bulletin. FUEL SYSTEM, DIESEL. 1104-14 Metal in the Fuel System
1102-142017-10-21. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. 1102-14 DD13 Cylinder Head R&R
1105-142017-10-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). 1105-14 Flywheel, Ring Gear and Flywheel Housing
1110-142017-10-21. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. 1110-14 EPA10 DOC Inlet Pressure Sensor
18SP7082017-10-21. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. 18SP708Rev EPA07 10 Three-Filter Fuel
18SP7112017-10-21. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. 18SP711 DD15 and DD16 Axial Power Turbine Bracket Ki
14TS262017-10-15. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. 14TS26 Replacement of the High Pressure Fuel Pump Camshaft Oil Seal
910-142017-10-15. Service bulletin. FUEL SYSTEM, DIESEL. 910-14 Installation of the High Pressure Fuel Rail Feed Lines - Two-Filter System
916-142017-10-15. Service bulletin. FUEL SYSTEM, DIESEL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 916-14 Fuel Cooler Leak Test Procedure - Two-Filter Fuel System

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