Vapor Bus International (Vapor Bus) is recalling certain Electric Transit Operator (ETO) Controller Assemblies, part number 51220550, manufactured March 7, 2013, to December 21, 2015. These assemblies, which control a bus door operator motor and brake, may have a software defect which can cause failure of the rear door guide roller linkage resulting in a bus' rear door opening unexpectedly while the bus is in motion.
Vapor Bus International (Vapor Bus) is recalling certain ETO Controller Assemblies, part number 51220550, manufactured March 7, 2013, to April 12, 2015. These assemblies, which control the door operator motor and brake, may have a software defect which can cause the rear passenger doors to open, without warning, when the bus accelerates from a stopped position.
VAPOR BUS IS RECALLING CERTAIN TEETER LEVER ASSEMBLIES, PART NUMBERS 50530211-02 AND 50530211-04, SOLD AND INSTALLED ON VARIOUS TRANSIT BUSES AND SOLD AS REPLACEMENT PARTS AS PART OF THE REAR SIDE EXIT DOOR. THERE IS INSUFFICIENT ENGAGEMENT BETWEEN THE TEETER LEVER BASE AND THE CAM PLATE.
CERTAIN VAPOR TWO-PIECE CONNECTING RODS WHICH CONNECT THE DOOR ACTUATOR AND THE DOOR PANEL OF THE BUS DOOR SYSTEM SOLD FOR USE ON TRANSIT BUSES AND SOLD AS AFTERMARKET PARTS. THE TWO-PIECE CONNECTOR CAN CRACK AND BREAK.
EQUIPMENT DESCRIPTION: ADHESIVELY BONDED ALUMINUM BUS DOOR PANELS USED IN PASSENGER DOORWAYS ON TRANSIT AND LIGHT AND MEDIUM DUTY BUSES INSTALLED ON BUSES BUILT BETWEEN SEPTEMBER 1, 1997, AND FEBRUARY 1, 2000. DUE TO AN IMPERFECT BONDING OF THE DOOR PANEL SKIN TO THE PANEL FRAME, ENVIRONMENTAL MOISTURE MAY INFILTRATE REGIONS OF IMPERFECT BONDING AND CAUSE SEPARATION OF THE FRAME AND DOOR PANEL.
DISCHARGE VALUE ASSEMBLY BOLT MAY FAIL AND JAM AGAINST A PISTON.
THE CYLINDER HEAD ON THE COMPRESSOR COULD CRACK OR BREAK.
DUE TO UNFORESEEN PROBLEMS IN DESIGNING COMPONENTS OF THE REAR PNEUMATIC PASSENGER DOOR OPERATOR, UNCONTROLLED OPERATION OF THE DOOR COULD OCCUR.
THE CONNECTING ROD AND LEVER ASSEMBLIES AND BASE PLATE ASSEMBLIES ON THE INVOLVED PASSENGER DOORS WERE FOUND TO BE DEFECTIVE.