To replace it you need to either pull the engine or the tranny. A lift with a tranny jack would be much more convenient. Then run two self tapping screws in and pull on them until it comes out. Then grease the new one and knock it in with the flat side of a block of wood so it goes in evenly.
Wag Rebuilt 360, 260H, 727, Locked 44, AMC 20, 208, 31" M/T's, 4" Rustys, 2.5" Duals. SOON:SOA SF, 496, T400, Doubler, D60's, 37" M/T's <-TOY
Cherokee Rebuilt 360, 2" Duals, mostly stock. SOON: Hot Street 401, 4'' Rustys, 33" BFG A/T's maybe a T-case to get rid of Q-Track <-TOW RIG