OFFICIAL NHTSA RECALL
78V137000
Parking Brake:driveline
Reported Jun 13, 1978 · GRUMMAN FLXIBLE CORP.
Summary
THE PARKING BRAKE DRUM, IF SUBJECTED TO ABNORMAL HEATING AS A RESULT OF OPERATING THE COACH WITH THE PARKING BRAKE APPLIED OR ONLY PARTIALLY RELEASED, MAY BECOME CRACKED. THE WEAKENED BRAKE DRUM THEN BECOMES SUBJECT TO FAILURE.
Consequence
Not supplied in the source record.
Remedy
THE BRAKE DRUM WILL BE INSPECTED AND, IF NECESSARY, WILL BE REPLACED WITH AN IMPROVED BRAKE DRUM.
Notes
VEHICLE DESCRIPTION: TRANSIT BUSES EQUIPPED WITH PROPELLER SHAFT BRAKE SYSTEMS.SYSTEM: PARKING BRAKES; BRAKE, DRUM.CONSEQUENCES OF DEFECT: IF FAILURE OCCURS DURING PROP SHAFT ROTATION, THE DRUMWILL DISINTEGRATE, PROPELLING DRUM FRAGMENTS AT HIGH SPEEDS AND POSSIBLYRESULTING IN PASSENGER INJURY AND PROPERTY DAMAGE.
This campaign page uses the representative official campaign record. Applicability-specific source variants appear on the linked vehicle pages. Recall counts refer to campaigns, not affected vehicles.
Vehicle entries in this campaign
This is model-level recall history. It does not confirm whether a particular VIN is affected or has received the repair. Check with NHTSA ↗