United States 86V070000
Mack Trucks, Inc.
The problem
AN INCORRECT STEERING SHAFT RETAINING NUT IS INSTALLED ON THE SHAFT AND CAN LOOSEN CAUSING STEERING PLAY. CONSEQUENCE OF DEFECTS: IF NUT IS NOT REPLACED, STEERING WHEEL DISENGAGEMENT COULD OCCUR CAUSING LOSS OF STEERING CONTROL AND POSSIBLY A VEHICLE CRASH.
What owners should do
INSTALL PROPER NUT TO ENSURE STEERING WHEEL RETENTION.
Units 180