Others use recirculating ball systems in which ball bearings are mounted on a “worm”-type steering gear. Though steering gears often last for the life of a vehicle, the gearbox can develop ...

The recirculating-ball steering box contains a worm gear, which is comprised of a block of metal with a threaded hole in it. This block has gear teeth cut into the outside, which engage a gear ...

Recirculating-ball power steering is a simple design that is reliable and stout. Despite its robust design, a power steering gearbox will eventually need replacing as the seals, worm shaft, worm ...