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Manual Transmission Assembly: Installation

  1. Replace the differential side retainer oil seal. < Refer 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: Replacing Differential Side Retainer Oil Seal
    G05002972Courtesy of SUBARU OF AMERICA, INC.
  2. 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.
  3. Install the transmission cushion rubber to the transmission assembly, and tighten bolt (A).
  4. Install the transmission cushion rubber to the center crossmember, and tighten the 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: Identifying Transmission Cushion Rubber Nut And Bolt
    G05662082Courtesy of SUBARU OF AMERICA, INC.
  5. 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 cover.
  6. While raising the transmission jack, loosen the turnbuckle of the ST, and set the engine unit to the original position.
  7. Install the front crossmember and rear crossmember.

    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) 

    Fig 3: Front Crossmember And Rear Crossmember Bolts With Torque Specifications
    G05956399Courtesy of SUBARU OF AMERICA, INC.
  8. Take out the transmission jack.
  9. 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 4: Locating Lower Side Of Transmission To Engine Bolts
    G05002964Courtesy of SUBARU OF AMERICA, INC.
  10. Connect the transmission to the engine.
    1. Install the starter. < Refer to INSTALLATION , Starter. >
    2. Tighten the bolts which hold the upper side of the transmission to the engine.
    NOTE: Long bolts are used in the section indicated by the arrows (A) in the figure below.

    Tightening torque: 

    50 N.m (5.1 kgf-m, 36.9 ft-lb) 

    Fig 5: Locating Upper Side Of Transmission To Engine Bolts
    G08571588Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the ST.
    Fig 6: Removing ST (Engine Support Bracket And Engine Support)
    G08571573Courtesy of SUBARU OF AMERICA, INC.
  12. Install two ground cables.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 7: Identifying Rear End Of Engine Ground Cables
    G08571572Courtesy of SUBARU OF AMERICA, INC.
  13. 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 8: Pitching Stopper With Torque Specifications
    G08571591Courtesy of SUBARU OF AMERICA, INC.
  14. Lift up the vehicle.
  15. Install the front drive shaft into the transmission.

    ST 28399SA010 OIL SEAL PROTECTOR

    Fig 9: Installing Front Drive Shaft Into Transmission
    G08318906Courtesy of SUBARU OF AMERICA, INC.
  16. Insert the front arm ball joint into the housing lower part, and tighten the mounting bolt.

    Tightening torque: 

    50 N.m (5.1 kgf-m, 36.9 ft-lb) 

    Fig 10: Identifying Front Arm And Ball Joint
    G08571593Courtesy of SUBARU OF AMERICA, INC.
  17. Attach the stabilizer link to the front arm.

    Tightening torque: 

    30 N.m (3.1 kgf-m, 22.1 ft-lb) 

    Fig 11: Locating Stabilizer Link Nut
    G05661662Courtesy of SUBARU OF AMERICA, INC.
  18. Attach the gear shift rod and stay.
    1. Attach the gear shift rod to the transmission.

      Tightening torque: 

      12 N.m (1.2 kgf-m, 8.9 ft-lb) 

      Fig 12: Identifying Stay And Gear Shift Rod
      G08571595Courtesy of SUBARU OF AMERICA, INC.
    2. Install the stay to the transmission bracket.

      Tightening torque: 

      18 N.m (1.8 kgf-m, 13.3 ft-lb) 

      Fig 13: Identifying Stay And Transmission Bracket
      G08571596Courtesy of SUBARU OF AMERICA, INC.
  19. Install the propeller shaft. < Refer to INSTALLATION , Propeller Shaft. >
  20. Install the heat shield cover. < Refer to INSTALLATION , Heat Shield Cover. >
  21. Install the hanger bracket to the transmission.

    Tightening torque: 

    30 N.m (3.1 kgf-m, 22.1 ft-lb) 

    Fig 14: Identifying Transmission Hangar Bracket
    G08571576Courtesy of SUBARU OF AMERICA, INC.
  22. Install the rear exhaust pipe and muffler. < Refer to INSTALLATION , Rear Exhaust Pipe. > < Refer to INSTALLATION , Muffler. >
  23. Install the front and center exhaust pipe. < Refer to INSTALLATION , Front Exhaust Pipe. > < Refer to INSTALLATION , Center Exhaust Pipe. >
  24. Install the under cover. < Refer to INSTALLATION , Front Under Cover. >
  25. Lower the vehicle.
  26. Install the operating cylinder.

    Tightening torque: 

    37 N.m (3.8 kgf-m, 27.3 ft-lb) 

    Fig 15: Locating Transmission Operating Cylinder Bolts
    G04994516Courtesy of SUBARU OF AMERICA, INC.
  27. Install the ground cord.

    Tightening torque: 

    13 N.m (1.3 kgf-m, 9.6 ft-lb) 

    Fig 16: Identifying Ground Cord
    G08571599Courtesy of SUBARU OF AMERICA, INC.
  28. Install the engine hanger rear, and then connect the engine harness connector.

    Tightening torque: 

    21 N.m (2.1 kgf-m, 15.5 ft-lb) 

    Fig 17: Identifying Engine Harness Connectors And Engine Hanger Rear
    G08571600Courtesy of SUBARU OF AMERICA, INC.
  29. Connect the following connectors.
    Fig 18: Identifying Neutral Position Switch Connector (Brown) And Back-Up Light Switch Connector (Gray)
    G08571601Courtesy of SUBARU OF AMERICA, INC.
  30. Install the air intake boot. < Refer to INSTALLATION , Air Intake Boot. >
  31. Connect the battery ground terminal.
  32. Remove the lift arm from vehicle.