Service bulletins for the 2012 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.
644 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Glass, wipers and mirrors are shown. Show all
| SBW83-030 | 2022-07-02. Service bulletin. VISIBILITY. Updated Western Star Service Bulletin for HVAC Actuator Replacement |
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| SBW83-030 | 2022-06-04. Service bulletin. VISIBILITY. Western Star Service Bulletin for HVAC Actuator Replacement. The wiring harness of the actuator of the fresh air recirculation door on Western Star vehicles equipped with Red Dot HVAC systems should be inspected for signs of water intrusion and corrosion. |
| CALWS83-001REV | 2022-01-04. Service bulletin. VISIBILITY. HVAC Actuator Wiring Harness. Revision History: Service kit part number changed from RDH RD5 17147 0 to WWS RD-3-9069-0 on 12/9/21. The wiring harness of the actuator of the fresh air recirculation door, shown in Fig. 1, on Western Star vehicles equipped with Red Dot HVAC systems should be inspected for signs of water intrusion and corrosion. |
| ICI21-030 | 2021-11-03. Service bulletin. VISIBILITY. SF626 Western Star Window Replacement Inspection Notification. This letter is to inform you that Field Service Campaign SF626 Western Star Window Replacement Inspection Notification campaign was released. |
| CALWS83-001 | 2021-09-29. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. Customer Advisory Letter for HVAC Actuator Wiring Harness. The wiring harness of the actuator of the fresh air recirculation door, shown in Fig. 1, on Western Star vehicles equipped with Red Dot HVAC systems should be inspected for signs of water intrusion and corrosion. |
| DOC-1033462 | 2018-12-10. Service bulletin. VISIBILITY. SS 1033462 - WST Cab Mounted Mekra Mirror Cover Chrome Peeling |
| DOC-1033403 | 2018-12-10. Service bulletin. VISIBILITY/WIPER; VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR. SS 1033403 - WST Wiper Motor not Parking Issues |
| DOC-1033462 | 2018-10-29. Service bulletin. VISIBILITY; EQUIPMENT ADAPTIVE/MOBILITY. SS 1033462 - WST Cab Mounted Mekra Mirror Cover Chrome Peeling |
| DOC-1033403 | 2018-10-29. Service bulletin. VISIBILITY. SS 1033403 - WST Wiper Motor not Parking Issues |
| sbw8325 | 2018-06-11. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. sbw8325 Side Window Defroster and Cooling Improvement Retrofit |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.