There is only two seals. Front cover bearing retainer and the output shaft where it mates to the transfer case. The out put seal can be changed with trans still installed but transfer case removed.
89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff.
AF Jeep Club Tail Number 184