Manual Transmission Assembly: Installation

WARNING: This page is about a different variant/trim than selected.

Replace the differential side retainer oil seal. Ref. to MANUAL TRANSMISSION AND DIFFERENTIAL (6MT)>Differential Side Retainer Oil Seal>REPLACEMENT .
NOTE:
- Be sure to replace the oil seal after removing the front drive shaft.
- When a new oil seal has been installed, replacement is not required.
  ST 18675AA000 DIFFERENTIAL SIDE OIL SEAL INSTALLER
Fig 1: Replacing Differential Side Retainer Oil Seal
Courtesy of SUBARU OF AMERICA, INC.
Strike and bend the transmission hanger of transmission rear with a rubber hammer etc. so that it gets in contact with the transmission case.
CAUTION: Do not apply excessive load or impact to the transmission case.

Fig 2: Bending Transmission Hanger
Courtesy of SUBARU OF AMERICA, INC.
Install the transmission cushion rubber to the transmission, and tighten the bolt (A).
Install the transmission cushion rubber to the center crossmember, and temporarily tighten the nut (B).
Tightening torque:

Bolt (A)

35 N.m (3.6 kgf-m, 25.8 ft-lb)

Fig 3: Locating Transmission Cushion Rubber Bolt And Nut
Courtesy of SUBARU OF AMERICA, INC.
Install the transmission assembly onto the engine.
1. Lift up the transmission gradually using a transmission jack.
2. Engage at the spline section.
NOTE: Be careful not to hit the main shaft against the clutch cover.
While raising the transmission jack, loosen the turnbuckle of the ST, and set the engine unit to the original position.
Install the front crossmember and rear crossmember.
Tighten the transmission cushion rubber mounting nut.
Tightening torque:

T1: 70 N.m (7.1 kgf-m, 51.6 ft-lb)

T2: 140 N.m (14.3 kgf-m, 103.3 ft-lb)

T3: 35 N.m (3.6 kgf-m, 25.8 ft-lb)

Fig 4: Locating Transmission Cushion Rubber Mounting Nut With Torque Specifications
Courtesy of SUBARU OF AMERICA, INC.
Take out the transmission jack.
Tighten the bolts and nuts which hold the lower side of transmission to the engine.
Tightening torque:

50 N.m (5.1 kgf-m, 36.9 ft-lb)

Fig 5: Locating Transmission Cushion Rubber Mounting Nut
Courtesy of SUBARU OF AMERICA, INC.
Lower the vehicle.
Install the starter. Ref. to STARTING/CHARGING SYSTEMS(H4DO)>Starter>INSTALLATION .
Tighten the bolts which hold the upper side of the transmission to the engine.
Tightening torque:

50 N.m (5.1 kgf-m, 36.9 ft-lb)

Fig 6: Locating Transmission Cushion Rubber Mounting Nut
Courtesy of SUBARU OF AMERICA, INC.
Remove the ST.

Fig 7: Removing ST
Courtesy of SUBARU OF AMERICA, INC.
Install the ground cable.
Tightening torque:

19 N.m (1.9 kgf-m, 14.0 ft-lb)

Fig 8: Identifying Ground Cable
Courtesy of SUBARU OF AMERICA, INC.
Install the pitching stopper.
Tightening torque:

T1: 50 N.m (5.1 kgf-m, 36.9 ft-lb)

T2: 58 N.m (5.9 kgf-m, 42.8 ft-lb)

Fig 9: Locating Pitching Stopper Nut And Bolt And Torque Specifications
Courtesy of SUBARU OF AMERICA, INC.
Lift up the vehicle.
Install the ST to the transmission, and then install the front drive shaft.
ST 28399SA010 OIL SEAL PROTECTOR

Fig 10: Installing ST To Transmission
Courtesy of SUBARU OF AMERICA, INC.
Insert the front arm ball joint and tighten the mounting bolt.
Tightening torque:

50 N.m (5.1 kgf-m, 36.9 ft-lb)

Fig 11: Locating Front Arm Ball Joint Mounting Bolt
Courtesy of SUBARU OF AMERICA, INC.
Install the stabilizer link.
Tightening torque:

60 N.m (6.1 kgf-m, 44.3 ft-lb)

Fig 12: Locating Stabilizer Link
Courtesy of SUBARU OF AMERICA, INC.
Install the MT gear shift cable and MT gear select cable to MT gear shift lever. Ref. to CONTROL SYSTEMS>MT Gear Shift Lever>INSTALLATION .
CAUTION:
- Do not bend MT gear shift cable and MT gear select cable at a sharp angle.
- If the MT gear select cable is removed from the selector lever COMPL on the transmission side, replace with new MT gear select cable.
Install the propeller shaft. Ref. to DRIVE SHAFT SYSTEM>Propeller Shaft>INSTALLATION .
Install the hanger bracket.
Tightening torque:

23 N.m (2.3 kgf-m, 17.0 ft-lb)

Fig 13: Identifying Hanger Bracket
Courtesy of SUBARU OF AMERICA, INC.
Install the center exhaust cover.
Tightening torque:

18 N.m (1.8 kgf-m, 13.3 ft-lb)

Fig 14: Identifying Center Exhaust Cover
Courtesy of SUBARU OF AMERICA, INC.
Install the transmission under cover.
Tightening torque:

18 N.m (1.8 kgf-m, 13.3 ft-lb)

Fig 15: Identifying Transmission Under Cover
Courtesy of SUBARU OF AMERICA, INC.
Install the center exhaust pipe. Ref. to EXHAUST(H4DO)>Center Exhaust Pipe>INSTALLATION .
Install the front under cover. Ref. to EXTERIOR/INTERIOR TRIM>Front Under Cover>INSTALLATION .
Lower the vehicle.
Install the operating cylinder.
Tightening torque:

37 N.m (3.8 kgf-m, 27.3 ft-lb)

Fig 16: Locating Operating Cylinder Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the transmission radio ground cord terminal.
Tightening torque:

13 N.m (1.3 kgf-m, 9.6 ft-lb)

Fig 17: Identifying Transmission Radio Ground Cord Terminal
Courtesy of SUBARU OF AMERICA, INC.
Install the engine hanger rear.
Tightening torque:

21 N.m (2.1 kgf-m, 15.5 ft-lb)
Connect the engine harness connector, then attach the harness bracket.
Tightening torque:

7.5 N.m (0.8 kgf-m, 5.5 ft-lb)

Fig 18: Identifying Engine Harness Connectors, Engine Hanger Rear And Harness Bracket
Courtesy of SUBARU OF AMERICA, INC.
Connect the following connectors and secure the clip.

Fig 19: Identifying Connectors And Clip
Courtesy of SUBARU OF AMERICA, INC.
Pour in transmission gear oil and check the oil level. Ref. to MANUAL TRANSMISSION AND DIFFERENTIAL (6MT)>Transmission Gear Oil .
Install the air intake boot. Ref. to INTAKE (INDUCTION) (H4DO)>Air Intake Boot>INSTALLATION .
Install the front tires.
Connect the battery ground terminal.