The power steering lines run between the power steering pump and the rack and pinion.
power steering line adaptor assembley
If you don't have dry rot in your power steering lines, it does.
Your power steering fluid can be low, or bad power steering pump, or simply you just have some air in the lines.
No power steering fluid, broken pump, or broken lines.
yes yes
Changing power steering fluid lines in your vehicle should not affect alignment.
Yes. you will have to replace the manual steering box with a power steering box, install a power steering pump and lines and possibly a main pulley on the crank to run the belt for the power steering pump if your car doesn't have the right pulley.
it could be the rack and pinion
You can convert manual to power steering on a 1969 Camaro. the steering box will need to be changed, and a pump and brackets as well as fluid lines will need to be added.
By getting a Focus
There are several sections of power steering hose on this vehicle, both supply and return. They run from the reservoir down to the supply lines to the steering rack.