Chevrolet Cavalier Z24 1991 Steering tilt and leak

Recently Purchased a Z24 for a very good price in decent condition. It has a few troubles, the major one at the moment is a power steering
leak. Unfortunately the car had sat for a while (2 years) before I got it, and I was aware there would be troubles.
The drive belt has broken once, and I replaced it, but the power steering is leaking so substantially it won't hold fluid longer than a dozen or so turns of the wheel. The difficulty in tracing it is that A) the drive belt immediately throws a spray of it around and makes it impossible to locate, B) because of this, that side of the engine is coated in grease which is equally difficult to deal with (probably part of why the drive belt went in the first place).
I was wondering if anyone knew off-hand whether there was some model specific difficulty that might help me know what it is. I've tried to watch the pressure hose where it attaches under the reservoir and it doesn't appear to be it. I'm starting to wonder if the actual pump is leaking. However I have noticed that the steering fluid leaks quickly at first, and as it gets lower, it stops.
Also, almost comically, while I was over the engine trying to trace the leak, my friend was steering and the adjustment tilt for the steering wheel suddenly released and now it bobs up and down freely. I took off the torques attaching the casing to the column, but can anyone tell me how the hell to split the actual casing and remove it?
Thank you for any help, this is my first car, I would love to get it running and enjoy it.
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