Steering wheel retaining nuts may have been improperly installed and/or torqued.
Steering
Mack RD Series Steering problems by year
0 complaints filed with NHTSA about the Mack RD Series's steering. Loss of power steering, stiff or loose steering, wandering, column and rack problems.
Steering complaints by model year
Steering recalls
An incorrect high pressure power steering hose may have been installed.
Some of the nuts/bolts used to fasten the steering pitman arm may loosen.
Compression of front springs could interfere with the 90 degree crossover fittings on the bottom of the gears.
Covers1988 Mack RD Series
Cross steering levers may be improperly heat treated and subject to fail during normal operation.
Improper steering clamp bolts and torque applied during installation. The bolt could fail, allowing the steering yoke to become loose.
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 RD 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