OFFICIAL NHTSA RECALL
77V116000
Parking Brake:driveline:air
Reported Aug 3, 1977 · PACCAR, INCORPORATED
Summary
THE INVOLVED VEHICLES HAVE 10 DEGREE WEDGES IN THE PARKING BRAKE SYSTEM, WHICH MAY NOT BE ADEQUATE TO HOLD A LOADED VEHICLE ON A STEEP GRADE. THIS DEFICIENCY MAY LEAD TO FAILURE OF THE PARKING BRAKES.
Consequence
Not supplied in the source record.
Remedy
DEALER WILL REPLACE THE 10 DEGREE WEDGE WITH A 12 DEGREE WEDGE TO REDUCE THE CHANCES OF PARKING BRAKE FAILURE.
Notes
VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH ROCKWELL RDA STOP MASTER II WEDGEBRAKES.SYSTEM: PARKING BRAKES; OPERATING WEDGE.CONSEQUENCES OF DEFECT: FAILURE OF THE PARKING BRAKES WOULD ALLOW THE VEHICLETO ROLL FREE WHEN LEFT UNATTENDED ON A STEEP GRADE. THIS COULD CAUSE SERIOUSINJURY AND DAMAGE TO PEOPLE AND PROPERTY.
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 ↗