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Service bulletins for the 2010 Western Star 6900

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.

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

By type

By component

Only bulletins with component: Fuel tank are shown. Show all

Bulletins, newest first
0607-172019-04-08. Service bulletin. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. SPN 96 (MCM) (GHG17)
WSB-49-112014-02-13. 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.