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: Fuel system are shown. Show all
| 09 06-16 | 2016-10-20. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. 0906-16 LOW PRESSURE FUEL PUMP |
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| 16 TS-12 | 2016-08-31. Service bulletin. EQUIPMENT; FUEL SYSTEM, GASOLINE. DETROIT™ APPROVED PRIMING TOOLS FOR THE KM63 GEN2 FUEL SYSTEMDETROIT™ APPROVED PRIMING |
| WS-49-13 | 2014-06-05. Service bulletin. FUEL SYSTEM, DIESEL: PRE-HEATER; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. WESTERN STAR: AT RETURN LINE FITTING, DURING COLD EXTREME TEMPERATURES, THE DIESEL EXHAUST FLUID (DEF) TANK WOULD FREEZE. *PE |
| SB-49-11 | 2014-06-04. Service bulletin. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. WESTERN STAR: IF DIESEL EXHAUST FLUID (DEF) SYSTEMS IS SITTING FOR EXTENDED TIME, IN TANK, WILL CRYSTALLIZE AROUND FLOAT OF LEVEL SENDING UNIT TUBE AND NEEDS CLEANING TO PREVENT A FALSE OR INCORRECT GAUGE READING. MODEL CONSTALLATION, 4700, 4800, 4900, 5900, 6900. NO YEARS LISTED. *PE |
| WSB-49-11 | 2014-02-13. Service bulletin. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. WESTERN STAR: WHEN TRUCK SITS, FOR ANY EXTENDED PERIOD, WITH A DIESEL EXHAUST FLUID (DEF) SYSTEM, IT WOULD CRYSTALLIZED, IN THE TANK, AROUND FLOAT, ON DEF LEVEL SENDING UNIT TUBE AND NEEDS TO BE CLEANED. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.