Service bulletins for the 2013 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.
660 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Electrical system are shown. Show all
| SB-54-58 | 2014-12-24. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. WESTERN STAR: INSTRUCTIONS PROVIDED TO HELP REDUCE VIBRATION ON POWER DISTRIBUTION MODULES (PDM), TO PREVENT CRACKING OF FUSES ON HORIZONTALLY MOUNTED POWERTRAIN. *PE UPDATED 03/02/15*LJ |
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| TT-7400-EN | 2014-07-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:MANUAL TRANSMISSION. DAIMLER TRUCKS: ON BEHALF OF WESTERN STAR AND FREIGHTLINER TRUCKS, A REPROGRAMMING WILL BE PERFORMED FOR ACCELERATION CONTROL (VAC), ON SOME TRUCKS, BY ALLISON TRANSMISSION DISTRIBUTORS. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.