Flxible Recall 79V182000: Parking Brake, Driveline
NHTSA recall 79V182000 · announced August 3, 1979 · filed by Grumman Flxible Corp. · 368 units affected
The problem
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 to do
THE DEALER WILL REPLACE THE EXISTING BRAKE DRUM WITH ROCKWELL PART #3219-H-4350, WITHOUT CHARGE TO OWNER.
Official NHTSA recall notice →
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.
Vehicles covered by this recall
Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.