Originally Posted by No DRFT
A quicker and most efficient way is to buy a vacuum bleeder and hook it up to a air compressor. Sucks out all the old fluid in seconds. It leaves no mess and easily done in minutes.
There's valving in the steering rack, no way you're getting all the old fluid out without turning the wheel from lock to lock. You would only get the oil fluid out of the lines to/from the rack, if that.