Service bulletin SIL 16-WT-20EN
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 | 10185694 |
| Published by NHTSA | 2021-01-25 |
| Manufacturer's number | SIL 16-WT-20EN |
| Manufacturer's date | 2020-12-08 |
| NHTSA component | ENGINE AND ENGINE COOLING |
NHTSA's summary
Service letter providing notice of redesigned piston seals and piston, air solenoid valve nipple, and air solenoid valve fitting
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
Engine
| ALLISON TRANSMISSION, INC T SERIES |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.