Service bulletins for the 2018 Western Star 5900
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.
47 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Fuel system are shown. Show all
| SS1033094 | 2021-06-09. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:MANIFOLD PRESSURE (MAP) SENSOR. Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform... |
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| SB47-015 | 2019-09-28. Service bulletin. FUEL SYSTEM, GASOLINE. Service Bulletin for Equiflo Fuel System Breather Tube Inspection |
| 19TS-6 | 2019-08-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL. The modified parked regeneration strategy has been standard on GHG17 units since the start of GHG17 production and was added to EPA10 and GHG14 units with a software update. The modified regeneration utilizes an improved strategy to clean the DOC inlet face and reduce downtime due to DOC face plugging. |
| sbw5464 | 2019-04-08. Service bulletin. FUEL SYSTEM, DIESEL. Fuel Level Sending Unit Retrofit |
| sbw5464 | 2019-04-01. Service bulletin. FUEL/PROPULSION SYSTEM. Fuel Level Sending Unit Retrofit |
| sbw5464 | 2019-03-25. Service bulletin. FUEL SYSTEM, DIESEL; EQUIPMENT. Fuel Level Sending Unit Retrofit |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.