NHTSA recall 89V022000
Suspension › Rear › Springs › Leaf spring assembly › U-bolt, leaf spring to axle
Mack Mack
The defect
An incorrect 3/4 inch bolt was installed on rt/rs 450 suspension.
The 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.
The remedy
Retrofit chassis with 1 inch bolts.