Service bulletins for the 2019 Western Star 4800
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.
130 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Suspension are shown. Show all
| SBW31-016 | 2020-07-31. Service bulletin. SUSPENSION:REAR; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Western Star Bulletin for Non-Airliner Rear Suspension Crossmember Fastener Change. With the start of production on March 2, 2020, the fasteners used to assemble the non-Airliner rear suspension (bogie) crossmember have changed. The rear suspension bogie crossmember gussets to the C-channel will be assembled with 5/8–18 fasteners. This change includes a revision to a higher friction nut that requires an increase in tightening torque. The new higher friction nut can be identified by its green color. |
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| SS1034621 | 2020-01-21. Service bulletin. SUSPENSION. Service Solution for Western Star vehicles equipped with Hendrickson AIRTEK Axles experiencing a Harsh Ride. |
| 19TL-9 | 2019-08-08. Service bulletin. WHEELS; SUSPENSION; EQUIPMENT. DTNA Special Tools Group has approved the use of Haweka Axis4000 aftermarket alignment system for use on DTNA products at DTNA service locations. The Axis4000 system uses the reference points required by DTNA for precise, accurate, and repeatable measurements. Axis4000 is a sophisticated, user-friendly system that utilizes computer based camera-radio technology and references the center line of the frame for measuring and providing alignment results to DTNA specifications. |
| sbw0015 | 2019-06-03. Service bulletin. SUSPENSION. Service Bulletin- sbw0015 Vibration and Harsh Ride Troubleshooting |
| sbw0015 | 2019-04-08. Service bulletin. SUSPENSION. Service Bulletin Vibration and Harsh Ride Troubleshooting |
| sbw0015 | 2019-04-01. Service bulletin. SUSPENSION. Service Bulletin Vibration and Harsh Ride Troubleshooting |
| DOC-1034171 | 2019-04-01. Service bulletin. SUSPENSION. SS 1034171 Airliner Rear Suspension Chassis Lean Troubleshooting |
| sbw0015 Vibratio | 2018-12-10. Service bulletin. SUSPENSION. Vibration and Harsh ride Troubleshooting |
| sbw31014 | 2018-12-10. Service bulletin. SUSPENSION. Airliner Rear Suspension Crossmember Fastener Change |
| sbw31014 | 2018-12-10. Service bulletin. SUSPENSION. sbw31014 Airliner Rear Suspension Crossmember Fastener Change |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.