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 shaft ...
If you're cruising an older Chevy Impala and you're rollin' down the strip or the highway, you might notice that the steering's a little sloppy or loose. This is due to normal wear on the rag joints ...