United States 89V022000
Mack Trucks, Inc.
The problem
AN INCORRECT 3/4 INCH BOLT WAS INSTALLED ON RT/RS 450 SUSPENSION.
Risk
THIS BOLT MAY BREAK, CAUSING DISENGAGEMENT OF THE BEAM CONNECTION OF REAR SUSPENSION, RESULTING IN LOSS OF CONTROL, WHICH COULD RESULT IN AN ACCIDENT.
What owners should do
RETROFIT CHASSIS WITH 1 INCH BOLTS.
Units 18