If your Power Steering fluid is dark brown it means that it has been contaminated. Metal or rubber has gotten into the fluid if it is dark brown or black. This can and will impact your vehicle's performance.
Power steering fluid is basically clear. Some cars use transmission fluid in the power steering which is dark red. You can use power steering fluid in cars that use transmission fluid but not the reverse. The cap of the reservoir should say power steering fluid only.
Dark fluid means it's dirty and needs replacing.
its probably a plugged pressure line. it could also have a low fluid level
Not sure what your are driving but if it went stiff steering in both directions I would say either p/s belt fell off or the p/s pump is shot. Be sure the system is flushed if the pump is replaced.
I would not
Check the Color if it is Dark or Smells Burnt then it should be changed. Related [http://wiki.answers.com/Q/When_must_power_steering_fluid_be_changed_if_ever Question and Answer]
Brown fluid = burnt fluid (either dark brown or black in color) . In the early stages of slipping, a burnt smell will be the first noticeable indication.
It should be red to dark maroon if it's brown or a yellow color it is burnt and should be changed
"Healthy" transmission fluid is typically a pinkish red color. If the transmission fluid is old or the transmission is overheating, the color of the fluid is dark red to brown.
Yes, it will be dark brown or almost black.
pump will usally make noise while full of fluid rack will stick when cold or low rpm and work fine at times if its sometimes the problem look at rack.if fluid is dirty or real dark go to rack
Yes, you can even more you must. When the fluid smells burnt, or it has some metal particles, or it's dark brown fluid.