Item Affected: SERVICE BRAKES, AIR:CONTROLS
Date Announced: 07/20/1987
Description of Recall: THE BRAKE INTERLOCK SHUTTLE VALVE ASSEMBLY COULD UNDER A HEAVY SERVICE BRAKE APPLICATION FRACTURE OR FRAGMENT THE INTERNAL SHUTTLE PISTON.
Conequence: THE FRACTURE OR FRAGMENTION OF THE INTERLOCK SHUTTLEVALVE PISTON COULD RESULT IN PARTIAL OR COMPLETE LOSS OF REAR BRAKING. AREDUCTION IN BRAKING ABILITY COULD RESULT IN A VEHICLE CRASH WITHOUT PRIORWARNING.
Action Need To Fix It: NEW IMPROVED BRAKE INTERLOCK SHUTTLE ASSEMBLY WILL BE INSTALLED.
Notes: SYSTEM: BRAKES/INTERLOCK SHUTTLE VALVE ASSEMBLY.VEHICLE DESCRIPTION: DIESEL TRANSIT BUSES.