well the c4 was used in cars and trucks I believe so you want the truck first gear. therangerstation.com may have this info posted.
use a small flathead screwdriver or two on the crush collar, basically you push the white plastic ring in as far as it will go, then pull on the line. It's easy once you have done it, the key is to make sure you get that sucker pushed in all the way around (360 degrees). Its kinda like a chinese finger puzzle, meaning you have to keep pushing the crush collar in as you pull the hydro line out.
Just swap the entire 5 speed, bleed the slave cylinder and be done with it. Put in a new clutch pack while you are in there, rough up the flywheel with some sand paper, clean it with some brake clean, you can take the flywheel and have it surfaced and press in a new bearing if you want.
I had horrible luck with LUK clutch packs but others swear by them, get the HD unit. I personally would install a Centerforce gold or II.
watch that fan, dont let it hit the radiator when you drop the tranny x member

do youself a favor and drop the y pipe from the exhaust too, it makes it 5x's easier to stab the tranny. disco the battery so you dont arc the starter wires.
get a new gasket for the t case too.
the upper tranny bolts also hold the 02 sensor wires in place, and a ground strap, dont forget to hook the ground back up when you are done.
forget renting a tranny jack, they are more of a PITA then they are worth. 2 people can stab the 5 speed no problem, 1 person can do it but it hurts your back (trust me) Last time I did it I used ratcheting tie down straps and a floor jack/block of wood, worked like a champ.
Thats about it. I had 3-Mazda 5 speeds in my BII with the 4.0L and I went through numerous clutch packs trying to get it right (never did, finally converted to auto)
I got so I could do a clutch myself in about 4.5 hours, not that it was fun, but with the right tools it can be done and its a fairly simple straight forward process......
make sure you have the BOOK!!!!!!!!!!!!
oh and a 3' 1/2" drive extension with a wobbly REALLY helps get at those bellhousing/engine bolts (from behind the tranny)
If you can get a helper, have them guide the extension/wobbly/socket up to you. Sit on your engine and guide the socket onto the bolts. this method makes short work of those upper bolts.
Also you can get the two top bolts with a 13mm wrenmch or small socket from behind the engine, sitting onthe engine.

I put my knees on the radiator support, one hand on the a/c compressor, rest my chest on teh upper intake, and then you can get both hands back there to unplus the 02's and get the bolts/brackets/ground.
I call it making love to my 4.0L, shes pregnant now