Service bulletins for the 2018 Western Star 5700
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.
535 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Wiring and fuses are shown. Show all
| 17TS-12REV | 2020-01-03. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Technical Service Letter for GHG17 Heavy Duty Engine Platform 1-BOX Aftertreatment System (ATS) Wire Harness experiencing chaffing caused by vibration and dirt collecting in the harness conduit. |
|---|---|
| sb54072 | 2019-08-05. Service bulletin. ELECTRICAL SYSTEM:WIRING. HDEP MCM 21 Pin Service Jumper Replacement |
| 14CSA22 | 2017-11-17. Service bulletin. ELECTRICAL SYSTEM:WIRING. 14CSA22 DTNA Chassis Wiring Diagrams |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.