Service bulletin 4WT03
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 | 10001306 |
| Published by NHTSA | 2003-04-28 |
| Manufacturer's number | 4WT03 |
| Manufacturer's date | 2003-02-01 |
| NHTSA component | POWER TRAIN |
NHTSA's summary
NEW OUTPUT SEAL, YOKE/FLANGE AND SLINGER CONFIGURATION. ALL HD 4000, B500 AND T400 SERIES TRANSMISSIONS. *TT
The document
No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.
Components
Transmission and driveline
| ALLISON TRANSMISSION |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.