the pulley is bad when it stops moving
Depending on the noise, starting noises are usually- the starter, belts, belt tensioner or bearings on accessories like alternator/power steering.
Steering wheel noises can be caused by low power steering fluid. A loose or worn belt or suspension problems can also cause a steering wheel to make noises when turned.
The usually refers to the forward steering and suspension of a vehicle. Noises can come from failed or failing ball joints, constant velocity joints and shocks/struts/mount assemblies. Additionally the noises can be due to brake and or hub/wheel bearing problems.
air in fluid, insufficient fluid, leaky rack, plugged filter/strainer (if present) excessive effort required (at steering stop or wheel blocked), defective pump (internal seals), slipping belt, defective belt, defective pulley, defective belt tensioner are the first few that come to mind, other steering rack noises unrelated to power steering are also possible.
It's part of the steering column and if yours is making klunking noises it has to be repaired at the dealer.
check power steering fluid level. Also check belt.
Grinding noises, wandering steering, strange tire wear.
You would hear clunking noises from up front when braking and steering. Steering may become sloppy and drift left or right.
it needs fluid and you need to find the leak and fix it
This switch goes over the steering column behind the pivot, it has both wiper, indicator, and lighting . Commonly fails with clicking noises. from $125 at a wrecker, to $300 at GM. about 1 hour to change.
power steering
you need to locate the leak.