NHTSA Recall 77V116000
Filed by PETERBILT MOTOR COMPANY. Component: Parking Brake. Reported 1977-08-03. An estimated 207 vehicles are affected. Recall repairs are free at any authorized dealer.
Defect
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.
What the manufacturer will do
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.