Service bulletin TSB-26-007-WST
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11033102 |
| Published by NHTSA | 2026-06-01 |
| Manufacturer's number | TSB-26-007-WST |
| Manufacturer's date | 2026-05-28 |
| NHTSA component | POWER TRAIN |
NHTSA's summary
Revised Technical Service Bulletin for DT12 OVX Transmission Refresh
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Transmission and driveline
| WESTERN STAR 47X | 2021 to 2025 |
|---|---|
| WESTERN STAR 49X | 2020 to 2025 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.