Recirculating-ball steering for Truck

Recirculating-ball steering is used on many trucks and SUVs today. The linkage that turns the wheels is slightly different than The recirculating-ball steering gear contains a worm gear. You can image the gearin two parts. The first part is a block of metal with a threaded hole in it. Thisblock has gear teeth cut into the outside of it, which engage a gear that movesthe pitman arm (see diagram above). The steering wheel connects to a threadedrod, similar to a bolt, that sticks into the hole in the block. When the steeringwheel turns, it turns the bolt. Instead of twisting further into the block theway a regular bolt would, this bolt is held fixed so that when it spins, it movesthe block, which moves the gear that turns the wheels.

Recirculating-ball steering for Truck