Service bulletin SIL20WT21
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 | 10206677 |
| Published by NHTSA | 2022-01-24 |
| Manufacturer's number | SIL20WT21 |
| Manufacturer's date | 2021-12-01 |
| NHTSA component | POWER TRAIN |
NHTSA's summary
Announces a change in part processing that leaves the part visibly darker than the former part
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 1000 SERIES TRANSMISSION |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.