962 Park Brake
Service Bulletin/Repair Instructions
This Service Bulletin has been released to remind Operators of the correct operation of the park brake lever following a recent increase in reported failures of these valves.
Vehicle report
2011 ALEXANDER DENNIS ENVIRO 500
Service bulletins
4 bulletinsTechnical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
928 Sway bar bushings
Service Bulletin/Repair Instructions
The purpose of this Service Bulletin is to inform Customers of the availability of Service List SL3308 which has been released and can be used on Enviro 500 and Enviro 400 should the lower linkage pin is missing or found to be loose, or if you are changing the ARB bushes.
870 Brake Chamber/763-2
Service Bulletin/Repair Instructions
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.
842-2 Hub Bearing
Service Bulletin/Repair Instructions
In a small number of instances the drive axle hub bearing has been found to lose axial preload. This bulletin has been re-issued to advise customers of a change to the previously published maintenance interval.
Reading this report
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.