Service bulletin SIL11WT21
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 | 10203286 |
| Published by NHTSA | 2021-11-08 |
| Manufacturer's number | SIL11WT21 |
| Manufacturer's date | 2021-08-19 |
| NHTSA component | POWER TRAIN |
NHTSA's summary
Notice concerning carrier indexing rings that could be darker in color, but no dimensional changes or changes to stamped identification
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
| ALLISON 3000 SERIES TRANSMISSION | |
|---|---|
| ALLISON 4000 SERIES TRANSMISSION | |
| ALLISON B SERIES | |
| ALLISON H 50 EP TRANSMISSION | |
| ALLISON T SERIES |
Listing a model year does not mean every vehicle of it is concerned: the document says which.