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Service bulletins for the 2014 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.

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

By type

By component

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
801-152018-06-11. Service bulletin. POWER TRAIN. 801-15 SPN 520999 FMI 7 (TCM)
0312-182018-06-11. Service bulletin. POWER TRAIN. 0312-18 Installation Output Shaft Seal
0311-182018-06-11. Service bulletin. POWER TRAIN. 0311-18 Installation of the Main Shaft Speed Sensor
17TS112018-06-11. Service bulletin. POWER TRAIN. Detroit? DT12? Transmission Proper Moving Procedure
0406-172018-06-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SPN 521221 (TCM)
0130-172018-04-16. Service bulletin. POWER TRAIN. 0130-17 SPN 520211 (IPPC) (GHG14) SPN 520211 (IPPC) (GHG17)
14TL-72018-03-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 14TL-7Rev DD Platform Flywheel Housing Runout Tool W470589032100
324-152018-03-05. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. 324-15 External Component Repair
15-0102018-03-05. Service bulletin. POWER TRAIN; FUEL SYSTEM, GASOLINE. 15-010-DLR Transmission Cooler Line Photos
sbw01162018-03-05. Service bulletin. POWER TRAIN. sbw0116 Pilot Bearing Spacer for Detroit Engines with Eaton transmissions
16TS52018-02-12. Service bulletin. POWER TRAIN. 16TS5 Release of the DD Platform Bearing Failure Guide
14TS212017-11-17. Service bulletin. POWER TRAIN. 14TS21 HDEP Camshaft Position Sensor Change
811-142017-11-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 811-14 FMI 7: Internal Error with the DT12 Shift Stalk Lever
812-142017-11-17. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. 812-14 FMI 3, 4: Engine Aux. Shutdown Input Failed High and Low
1105-142017-10-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). 1105-14 Flywheel, Ring Gear and Flywheel Housing
908-142017-10-15. Service bulletin. ENGINE; POWER TRAIN. 908-14 908-14 EGR Differential Pressure Failed (High Box)
907-142017-10-15. Service bulletin. POWER TRAIN. 907-14 Installation and Removal of the Flywheel Housing
FL7182017-06-01. Service bulletin. POWER TRAIN:AXLE HUBS. FL718 FRONT AXLE HUB RATING

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