PETERBILT UNSPECIFIED 1976: PARKING BRAKE:DRIVELINE:AIR

General Information

NHTSA Campaign ID Number: 77V116000

Make Model Year
PETERBILT UNSPECIFIED 1976
Date Owners Notified Date Received by ODI Date Added to Database
1977-09-07 1977-08-03 1979-10-12

Production Dates: 1975-01-01 - 1976-06-01

Manufacturers Involved: PETERBILT MOTOR COMPANY

Component: PARKING BRAKE:DRIVELINE:AIR

Potential Number Of Units Affected: 207

Report Initiator: MFR MFR Report

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.

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.