Service bulletin 870 Brake Chamber/763-2
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 | 11014494 |
| Published by NHTSA | 2025-02-25 |
| Manufacturer's number | 870 Brake Chamber/763-2 |
| Manufacturer's date | 2014-05-01 |
| NHTSA component | SERVICE BRAKES |
NHTSA's summary
This bulletin has been issued to inform customers of the availability of an actuator by-pass breather kit for Wabco Spring Brake Chambers. Part Numbers 441331 & 440675. These chambers were used on chassis number 1829 onwards and also buses originally fitted with MGM actuators but converted as per Service Bulletin 763-2.
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
Brakes
| ALEXANDER DENNIS ENVIRO 500 | 2009 to 2014 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.