An incorrect high pressure power steering hose may have been installed.
Steering
Mack RM Series Steering problems by year
0 complaints filed with NHTSA about the Mack RM Series's steering. Loss of power steering, stiff or loose steering, wandering, column and rack problems.
Steering complaints by model year
Steering recalls
Some of the nuts/bolts used to fasten the steering pitman arm may loosen.
Improper steering clamp bolts and torque applied during installation. The bolt could fail, allowing the steering yoke to become loose.
Latest RM 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