NHTSA Recall 79V182000
Filed by FLXIBLE CORPORATION. Component: Parking Brake. Reported 1979-08-03. An estimated 368 vehicles are affected. Recall repairs are free at any authorized dealer.
Defect
PARKING BRAKES ON THE INVOLVED VEHICLES MAY NOT RELEASE OR RELEASE COMPLETELY. THIS COULD LEAD TO ABNORMAL HEATING OF THE ROCKWELL PARKING BRAKE DRUM DURING VEHICLE OPERATION. THIS MAY CAUSE BURNING OR THERMAL CRACKING OF THE DRUM SURFACE. THE WEAKENED DRUM THEN BECOMES SUBJECT TO FAILURE UNDER THE CENTRIFUGAL FORCES OF THE PROPSHAFT ROTATION WHICH PULL THE DRUM OUTWARDS WHEN IT IS ROTATING RAPIDLY AROUND THE PROPSHAFT CENTER.
What the manufacturer will do
THE DEALER WILL REPLACE THE EXISTING BRAKE DRUM WITH ROCKWELL PART #3219-H-4350, WITHOUT CHARGE TO OWNER.
Notes
VEHICLE DESCRIPTION: BUSES.SYSTEM: SERVICE BRAKES; PARKING BRAKE, DRUM.CONSEQUENCES OF DEFECT: IF SUCH A FAILURE OCCURS WHEN THE PROPSHAFT ISOPERATING, THE DRUM CAN DISINTEGRATE WITH AN EXPLOSIVE FORCE. THIS COULD CAUSELOSS OF VEHICLE CONTROL AND AN ACCIDENT.