Main Shaft Assembly For Single-Range: Disassembly

Apply vinyl tape around the main shaft splines to protect the oil seal from damage. Then pull out the oil seal and needle bearing by hand.
Remove the lock nut from transmission main shaft assembly for single range.
NOTE: Flatten the lock nut tab before removing the lock nut.

ST1 498937000 TRANSMISSION HOLDER

ST2 499987003 SOCKET WRENCH (35)

Fig 1: Identifying ST1 498937000 Transmission Holder And ST2 499987003 Socket Wrench (35)
Courtesy of SUBARU OF AMERICA, INC.
Remove the 5th hub & sleeve No. 2, baulk lever, baulk ring, and the 5th drive gear & needle bearing.

Fig 2: Identifying 5Th Hub & Sleeve No. 2, Baulk Ring And 5Th Drive Gear
Courtesy of SUBARU OF AMERICA, INC.
Using ST1 and ST2, remove the rest of the parts.
NOTE:
- When replacing the sleeve & hub, replace them as a set.
- Do not disassemble the sleeve & hub the aligning position is pre-matched.
- If it is necessary to disassemble, mark the engaging points on the splines beforehand.
ST1 899864100 REMOVER

ST2 899714110 REMOVER

Fig 3: Identifying ST1 899864100 Remover And ST2 899714110 Remover
Courtesy of SUBARU OF AMERICA, INC.