Main Shaft Assembly for Single-Range: Disassembly

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Put vinyl tape around main shaft spline 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: Removing Lock Nut
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: Removing 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: ST1 (899864100) And ST2 (899714110)
  Courtesy of SUBARU OF AMERICA, INC.