United States 79V189000
PETERBILT MOTOR COMPANY
The problem
THE INVOLVED VEHICLES WERE MANUFACTURED WITH A 5/16 INCH THICK ESNA SELF-LOCKING NUT INSTALLED ON THE STEERING GEAR INPUT SHAFT PINCH BOLT. THE NUT USED MAY NOT SECURELY FASTEN THE U-JOINT TO THE INPUT SHAFT.
What owners should do
THE U-JOINT YOKE AND INPUT SHAFT WILL BE INSPECTED AND THE PINCH BOLT AND NUT WILL BE REPLACED WITH THE TYPE CURRENTLY IN PRODUCTION. ANY OTHER STEERING COMPONENTS DAMAGED DUE TO THE DEFECT WILL ALSO BE REPLACED.
Units 12000