NHTSA recall 81V086000
Steering › Linkages
Mack R600 and 3 more
The defect
The involved trucks have pitman arms with timing marks and serrations located 8 degrees out of proper alignment. When the chassis IS raised to the maximum condition with the wheels suspended or dropped into a deep hole, the pitman arm and drag link can go into toggle position.
The remedy
Upon inspection, all defective pitman arms will be replaced with properly timed arms.