Manual Transmission Assembly: Installation

Replace the differential side retainer oil seal. Ref. to REPLACEMENT , Differential Side Retainer Oil Seal.
NOTE: Be sure to replace the differential side retainer oil seal after removing the front drive shaft.

ST 18675AA000 DIFFERENTIAL SIDE OIL SEAL INSTALLER

Fig 1: Identifying ST Differential Side Oil Seal Installer (18675AA000)
Courtesy of SUBARU OF AMERICA, INC.
Install the transmission cushion rubber to the transmission assembly, and tighten bolt (A).
Install the transmission cushion rubber to the center crossmember, and tighten nut (B).
Tightening torque:

Bolt (A)

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

Nut (B)

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

Fig 2: Locating Center Crossmember Nut
Courtesy of SUBARU OF AMERICA, INC.
Tap the transmission hanger in the rear side of transmission with a rubber hammer to bend it until it is in close contact with the transmission case.
CAUTION: Do not apply excessive load or impact to the transmission case.

Fig 3: Tapping Transmission Hanger In Rear Side Of Transmission With Rubber Hammer To Bend
Courtesy of SUBARU OF AMERICA, INC.
Install the transmission 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 housing cover.
Temporarily tighten the bolts and nuts which hold lower side of transmission to engine.
Install the front crossmember and rear cross-member.
Tightening torque:

T1: 75 N.m (7.6 kgf-m, 55.3 ft-lb)

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

Fig 4: Identifying Front Crossmember And Rear Cross-Member
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: Identifying Lower Side Transmission Bolts
Courtesy of SUBARU OF AMERICA, INC.
Lower the vehicle.
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: Identifying Upper Side Transmission Bolts
Courtesy of SUBARU OF AMERICA, INC.
Remove the ST (ENGINE HANGER).
Install the transmission main mounting bracket.
Tightening torque:

75 N.m (7.6 kgf-m, 55.3 ft-lb)

Fig 7: Locating Transmission Main Mounting Bracket Bolts
Courtesy of SUBARU OF AMERICA, INC.
Attach the ST (ENGINE HANGER) again.
Remove the ST and install the front cushion rubber.
Tightening torque:

T1: 25 N.m (2.5 kgf-m, 18.4 ft-lb)

T2: 45 N.m (4.6 kgf-m, 33.2 ft-lb)

Fig 8: Locating ST Engine Hanger Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the stopper rod.
Tightening torque:

36 N.m (3.7 kgf-m, 26.6 ft-lb)

Fig 9: Locating Stopper Rod Bolts
Courtesy of SUBARU OF AMERICA, INC.
Remove the ST from the vehicle.
Tighten the nuts connecting the engine mount and the transmission main mounting bracket.
Tightening torque:

45 N.m (4.6 kgf-m, 33.2 ft-lb)

Fig 10: Locating Engine Mounting And Transmission Main Mounting Bracket
Courtesy of SUBARU OF AMERICA, INC.
Remove the engine hanger rear for turbo model and install the engine hanger rear for non-turbo model, (non-turbo model)
Tightening torque:

16 N.m (1.6 kgf-m, 11.8 ft-lb)
Install the starter. Ref. to INSTALLATION , Starter.
Install the operating cylinder.
Tightening torque:

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

Fig 11: Locating Cylinder Bolts
Courtesy of SUBARU OF AMERICA, INC.
Lift up the vehicle.
Install the front drive shaft into the transmission. Ref. to INSTALLATION , Front Drive Shaft.
ST 28399SA010 OIL SEAL PROTECTOR
Insert the front arm ball joint into the housing lower part. Ref. to INSTALLATION , Front Ball Joint.
Attach the stabilizer link to the front arm. Ref. to INSTALLATION , Front Stabilize.
Install the MT gear shift cable and MT gear select cable to MT gear shift lever. Ref. to INSTALLATION , MT Gear Shift Lever.
CAUTION:
- Do not bend MT gear shift cable and MT gear select cable at a sharp angle.
- Always use new MT gear select cable if the cable is removed from selector lever COMPL of transmission side.
Install the propeller shaft. Ref. to INSTALLATION , Propeller Shaft.
Install the steering shaft universal joint. Ref. to INSTALLATION , Universal Joint.
Install the heat shield cover. Ref. to INSTALLATION , Heat Shield Cover.
Install the front, center and rear exhaust pipe. (non-turbo model) Ref. to INSTALLATION , Front Exhaust Pipe. Ref. to INSTALLATION , Center Exhaust Pipe. Ref. to INSTALLATION , Rear Exhaust Pipe.
Install the center and rear exhaust pipe, (turbo model) Ref. to INSTALLATION , Center Exhaust Pipe. Ref. to INSTALLATION , Rear Exhaust Pipe.
Install the front under cover. Ref. to INSTALLATION , Front Under Cover.
Lower the vehicle.
Install the throttle body, (non-turbo model) Ref. to INSTALLATION , Starter.
Connect the following connectors.
1. Transmission ground cable
  Tightening torque:
  
  13 N.m (1.3 kgf-m, 9.6 ft-lb)
2. Neutral position switch connector (Brown)
3. Back-up light switch connector (gray)
4. Engine harness connectors
Fill transmission gear oil through the transmission oil level gauge hole. Ref. to TRANSMISSION GEAR OIL .
Install the air intake boot assembly, (non-turbo model) Ref. to INSTALLATION , Air Intake Boot.
Install the intercooler and the intercooler stay. (turbo model) Ref. to INSTALLATION , Intercooler.
Attach the grille bracket.

Fig 12: Locating Grille Bracket Clips
Courtesy of SUBARU OF AMERICA, INC.
Install the air intake duct. Ref. to INSTALLATION , Air Intake Duct. Ref. to INSTALLATION , Air Intake Duct.
Install the collector cover.
Install the front wheels.
Connect the ground cable to battery.