It should be a 4L60E.
700-R4
Find help here: http://www.syty.huryde.com/html/trans/Tranny%20Rebuild.pdf
Yes
no GM changed the cases
If you have to ask, then you shouldn't try it.
700R4
three hoses that run from the top of the tranny down around the tranny and then back up to the engine
remove front and rear drive shafts. remove transfer case. remove tranny lines at trans. unbolt and remove torque converter from flex plate. drop exhaust. remove dip stick tube. un-bolt tranny and move tranny slightly backwards to gat past locating pins. remove tranny, (not a single person job).
No. You can remove the engine and leave the transmission in the vehicle.
2001 4x4 s10 lug pattern
no they will not fit the gear ratio is different and the 4x4 axles are longer you will chew out the transfer case as soon as you put it into 4x4 on something packed
Yes it will. Make sure they are both 4x4 or both non-4x4. The transmission bell housings are different for 4x4 because the transfer case is mounted directly to the transmission.