United States 77V116000
PETERBILT MOTOR COMPANY
The problem
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 owners should do
DEALER WILL REPLACE THE 10 DEGREE WEDGE WITH A 12 DEGREE WEDGE TO REDUCE THE CHANCES OF PARKING BRAKE FAILURE.
Units 207