NHTSA recall 91V210000
Steering › Gear box (other than rack and pinion)
Kenworth Kenworth
The defect
Trw supplied power steering gears with non-heat-treated worm screws. The steering gears without heat treated worm screws can lock up in tight turning maneuvers.
The risk
Lock ups of the steering gear causes loss of steeringcontrol and could result in an accident.
The remedy
Replace the non-heat-treated worm screws.