Service bulletin SB 3137
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 | 10174797 |
| Published by NHTSA | 2020-05-07 |
| Manufacturer's number | SB 3137 |
| Manufacturer's date | 2020-04-27 |
| NHTSA component | EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT |
NHTSA's summary
This service bulletin outlines the steps to replace the breather plug with a remote breather on the ZF axle differential to avoid possible breather clogging when the coach drives through mud and water.
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
Equipment and accessories
| MCI J3500 | 2019 |
|---|---|
| MCI J4500 | 2018 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.