Check in either a Chilton or Haynes manual. Your local library may have one if you don't have one.
The power steering reservoir is mounted on top of the power steering pump.
The power steering lines run between the power steering pump and the rack and pinion.
How to change the power steering pump depends on which engine your car has.
Does your car have the 4 cylinder engine or the V6?
try www.autozone.com
The squeal is often caused by the power steering belt slipping. Check the serpentine belt to see if it needs replacement.
It depends on which engine your car has as to how to change the power steering pump. Let me know if it is the 2.5 4 cylinder or the 2.8 V6 and I will get back to you.
There should be a routing diagram under the hood. If it is the 2.8L V6 the diagram is on a guard above the belt between the power steering pump and the water pump.
I am wanting a diagram of the power steering hose and how to take things apart
you don't. Chevy cobalts are electric power steering
There is no standalone "power steering belt" on a 94 cavalier, just one long serpentine belt. There is a diagram in front of the motor on the passenger side right next to the prop rod. That diagram shows proper belt routing.
A diagram can help guide a person when they are building car parts. A diagram to help build a power steering box adapter would be between the maintenance manual and repair manual of these vehicles.