SEATS
VEHICLE DESCRIPTION: SCHOOL BUSES EQUIPPED WITH BOSTROM DRIVER'S SEAT MODEL F222 OR BOSTRUM "ROUTEMASTER" SEAT. BLUE BIRD OPTION 2821 OR 2824. THE SEAT PEDESTALS ARE FATIGUE CRACKING ADJACENT TO THE WELD WHICH SECURES THE PEDESTAL'S UPPER PLATE TO THE UPPER, TELESCOPING PORTION OF THE ADJUSTABLE COLUMN SUPPORT.
Remedy: DEALERS WILL REPAIR THESE PEDESTALS WITH A NEWLY DESIGNED PEDESTAL BRACKET KIT.
11,371 vehicles affected
STRUCTURE:FRAME AND MEMBERS
THESE UNITS ARE EQUIPPED WITH A COUNTER WEIGHT ASSEMBLY MADE UP OF 300 POUNDS OF 1/4" PLATE STEEL WELDED TOGETHER AND BOLTED BETWEEN THE FRAME RAILS IN THE REAR OVERHANG JUST FORWARD OF THE REAR BUMPER. SOME OF THE WELDS HAVE BROKEN DUE TO INSUFFICIENT WELDS, CORROSION, OR ICE EXPANSION.
Remedy: DEALERS WILL INSTALL A MECHANICAL RETAINING DEVICE WHICH CLAMPS THE PLATES TOGETHER AND FASTENED WITH THREADED FASTENERS. BUS OWNERS WILL HAVE THE OPTION OF REPAIRING THEIR OWN VEHICLES.
416 vehicles affected
VEHICLE SPEED CONTROL
THE HAND THROTTLE CABLE PASSES THROUGH THE ACCELERATOR ROD ASSEMBLY AT AN ANGLE THAT WEARS A GROOVE IN THE ROD, WHICH IS LOCATED UNDER THE ACCELERATOR PEDAL. THE CABLE CAN BECOME WEDGED IN THE GROOVE WORN INTO THE ROD AND CAUSE THE ACCELERATOR TO STICK IN AN OPEN POSITION.
Remedy: DEALERS WILL INSTALL A POSITIONING BRACKET FOR ROUTING THE HAND THROTTLE CABLE THROUGH THE ACCELERATOR ROD ASSEMBLY.
7,350 vehicles affected
SUSPENSION:FRONT:WHEEL BEARING
THE WHEELBEARING LOCKNUT AND COTTER PIN WERE NOT INSTALLED ON THE FRONT AXLE HUBS. THE CAN CAUSE A GRADUAL INCREASE IN WHEEL SHIMMY.
Remedy: REPAIR KITS WILL BE FURNISHED TO OWNERS AND REIMBURSEMENT FOR LABOR AND MATERIALS WILL BE MADE.
681 vehicles affected