Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
SERVICE BRAKES, AIR
SB-73000208/07/200910032368Mack truck: sensor, adaptive cruise with braking (acb), alignment. this bulletin contains information for checking the alignment and adjusting the adaptive cruise with braking (acb) sensor found on cxu, chu, gu and td model mack trucks.03/12/2010
SB-23000210/03/200810027204Mack trucks: service brake switch test for cruise control activation. a change was made to the vehicle electronic control unit (vecu) software which affects cruise control. models cxu, chu, gu, td, leu, mru. *pe01/09/2009
SERVICE BRAKES, AIR - SUPPLY - CHECK VALVE
SC-33401/11/200810032312Mack truck: it has been determined that the 90 degree single check valve fitting manufactured by parker hannifin corp. which is used in the supply port of the spring brake modulating relay valve (bendix sr 7 valve) may have a defect whereb03/03/2010