Main Shaft Assembly For Single-Range: Assembly

When the sleeve & hub assemblies have been disassembled, reassemble by aligning the alignment marks.
NOTE: Position the spring opening at a position spaced apart by 120°.

Fig 1: Identifying Sleeve & Hub Assemblies
Courtesy of SUBARU OF AMERICA, INC.
Install the 3rd drive gear, outer baulk ring, synchro cone, inner baulk ring, sleeve & hub assembly for the 3rd needle bearing, on the transmission main shaft.
NOTE: Align the groove in baulk ring with the shifting insert.

Fig 2: Identifying 3rd Drive Gear, Outer Baulk Ring, Synchro Cone, Inner Baulk Ring, Sleeve & Hub Assembly
Courtesy of SUBARU OF AMERICA, INC.
Install the 4th needle bearing race onto transmission main shaft using ST1, ST2 and press.
CAUTION: Do not apply pressure in excess of 10 kN (1 ton, 1.1 US ton, 1.0 lmp ton).

ST1 899714110 REMOVER

ST2 499877000 RACE 4-5 INSTALLER

Fig 3: Identifying ST1 899714110 Remover And ST2 499877000 Race 4-5 Installer
Courtesy of SUBARU OF AMERICA, INC.
Install the baulk ring, needle bearing, 4th drive gear and 4th gear thrust washer to the transmission main shaft.
NOTE: Align the baulk ring and gear & hub assembly with the key groove.

Fig 4: Identifying Baulk Ring And Gear & Hub Assembly
Courtesy of SUBARU OF AMERICA, INC.
Press-fit the ball bearing into the rear section of transmission main shaft using ST1, ST2 and a press.
CAUTION: Do not apply pressure in excess of 10 kN (1 ton, 1.1 US ton, 1.0 lmp ton).

ST1 899714110 REMOVER

ST2 499877000 RACE 4-5 INSTALLER

Fig 5: Identifying ST1 899714110 Remover And ST2 499877000 Race 4-5 Installer
Courtesy of SUBARU OF AMERICA, INC.
Using the ST1 and ST2, install the 5th needle bearing race onto the rear section of the transmission main shaft.
CAUTION: Do not apply pressure in excess of 10 kN (1 ton, 1.1 US ton, 1.0 lmp ton).

NOTE: Make sure the thrust washer is facing the correct direction.

ST1 899714110 REMOVER

ST2 499877000 RACE 4-5 INSTALLER

Fig 6: Identifying 5th Needle Bearing Race
Courtesy of SUBARU OF AMERICA, INC.
Install rest of the parts to the rear section of the transmission main shaft.
CAUTION:
- Attach the baulk lever with the narrower side facing the 5th hub side.
  
  Fig 7: Identifying Baulk Lever
  Courtesy of SUBARU OF AMERICA, INC.
- Align the protruded section of baulk ring between the baulk levers.
  
  Fig 8: Aligning Protruded Section Of Baulk Ring
  Courtesy of SUBARU OF AMERICA, INC.
  
  Fig 9: Identifying Needle Bearing, Baulk Ring, Lock Washer, Lock Nut And Baulk Lever
  Courtesy of SUBARU OF AMERICA, INC.
Tighten the lock nuts to the specified torque using ST1 and ST2.
Crimp lock nuts in two locations after tightening.
ST1 499987003 SOCKET WRENCH (35)

ST2 498937000 TRANSMISSION HOLDER

Tightening torque:

120 N.m (12.2 kgf-m, 88.5 ft-lb)