Improper steering clamp bolts and torque applied during installation. The bolt could fail, allowing the steering yoke to become loose.
Steering
Mack MC Series Steering problems by year
0 complaints filed with NHTSA about the Mack MC Series's steering. Loss of power steering, stiff or loose steering, wandering, column and rack problems.
Steering complaints by model year
Steering recalls
The pitman arm retaining bolt may not have been tightened to the required specifications due to a design change. Inadequate retention of the bolt to the output shaft could allow the pitman arm to loosen.
Latest MC Series steering complaints
No complaints in this area yet.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data