Service bulletin Cummins 9L Gas
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 | 10134778 |
| Published by NHTSA | 2018-04-23 |
| Manufacturer's number | Cummins 9L Gas |
| Manufacturer's date | 2018-03-08 |
| NHTSA component | ENGINE |
NHTSA's summary
Mack Trucks has identified a condition with 2018 L9N Cummins Westport, Inc. (CWI) natural gas engines when installed in a bare Mack chassis which may cause an increase in engine speed when the truck decelerates close to idle speed.
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
| MACK MACK |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.