United States 86V015000
General Motors, LLC
The problem
THE PARKING BRAKE ACTUATING LEVER CAM MAY CONTAIN A QUENCH CRACK WHICH CAN WIDEN, REDUCING THE HOLDING CAPABILITY OF THE PARKING BRAKES. CONSEQUENCE OF DEFECT: THE REDUCED HOLDING CAPABILITY OF THE PARKING BRAKE COULD ALLOW AN UNATTENDED TRUCK TO ROLL AWAY UNCONTROLLED, WHICH MAY LEAD TO AN ACCIDENT.
What owners should do
INSTALL A NEW ACTUATION LEVER.
Units 4967