Service bulletins for the 2017 Western Star 4700
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: Heating and air conditioning are shown. Show all
| DOC-1033223 | 2019-02-19. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS. DOC-1033223 WST 4700 with Cummins Engine Hood Strap Wrapping Around AC Pressure Switch |
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| sbw8329 | 2018-10-29. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; STRUCTURE:FRAME AND MEMBERS. In some operating conditions, water may leak into the cab onto the passenger floor through the HVAC fresh air intake on the frontwall on 47,00,4900, and 5700 models. |
| sbw8329 | 2018-06-18. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC Fresh Air Intake Water Leak, 4700 and 5700 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.