Main Shaft Assembly: Disassembly

Put vinyl tape around main shaft splines to protect oil seal from damage. Then pull out oil seal and needle bearing by hand.
Remove lock nut from transmission main shaft assembly.
NOTE: Remove caulking before taking off lock nut.

ST1 498937000 TRANSMISSION HOLDER

ST2 499987003 SOCKET WRENCH (35)

Fig 1: Removing Lock Nut From Transmission Main Shaft Assembly
Remove 5th-Rev sleeve and hub assembly, baulk ring, 5th drive gear and needle bearing (32 x 36 x 25.7).

Fig 2: Removing 5Th-Rev Sleeve And Hub Assembly, Baulk Ring, 5Th Drive Gear And Needle Bearing (32 x 36 x 25.7)
Remove Snap Ring And Synchro Cone Stopper from 5th-Rev sleeve and hub assembly.

Fig 3: Removing Snap Ring And Synchro Cone Stopper
Using ST1, ST2 and a press, remove ball bearing, synchro cone and baulk ring (Rev).
NOTE:
- Replace sleeve and hub with new ones. Do not attempt to disassemble because they must engage at a specified point. If they should be disassembled, mark engagement point on splines beforehand.
- Do not reuse ball bearing.
ST1 499757002 SNAP RING PRESS

ST2 498077400 SYNCHRO CONE REMOVER

Fig 4: Removing Ball Bearing, Synchro Cone And Baulk Ring (Rev)
Using ST1 and ST2, remove the rest of parts.
NOTE: Replace sleeve and hub with new ones. Do not attempt to disassemble because they must engage at a specified point. If they should be disassembled, marking engagement point on splines beforehand.

ST1 899864100 REMOVER

ST2 899714110 REMOVER

Fig 5: Removing The Remaining Parts