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Manual Transmission Assembly: Installation

WARNING: This page is about a different variant/trim than selected.
  1. Replace the differential side retainer oil seal. < Ref. to REPLACEMENT , Differential Side Retainer Oil Seal. >
    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: Installing Differential Side Oil Seal
    G05002972Courtesy of SUBARU OF AMERICA, INC.
  2. 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: Striking Transmission Hanger Of Transmission Rear With Rubber Hammer
    G09482518Courtesy of SUBARU OF AMERICA, INC.
  3. Install the transmission cushion rubber to the transmission, and tighten the bolt (A).
  4. 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: Identifying Transmission Cushion Rubber To Center Crossmember Bolt And Nut
    G10268629Courtesy 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. Tighten the mounting bolts for front crossmember and rear crossmember.
  8. 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: Identifying Front And Rear Crossmember Mounting Bolts With Torque Specification
    G10268630Courtesy of SUBARU OF AMERICA, INC.
  9. Take out the transmission jack.
  10. 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 Gasket Bolts And Nuts
    G05002964Courtesy of SUBARU OF AMERICA, INC.
  11. Install the ST to the transmission, and then install the front drive shaft.

    ST 28399SA010 OIL SEAL PROTECTOR

    Fig 6: Installing ST To Transmission
    G08318906Courtesy of SUBARU OF AMERICA, INC.
  12. 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 7: Inserting Front Arm Ball Joint
    G10268633Courtesy of SUBARU OF AMERICA, INC.
  13. Install the stabilizer link.

    Tightening torque: 

    60 N.m (6.1 kgf-m, 44.3 ft-lb) 

    Fig 8: Locating Stabilizer Link Nuts
    G10268621Courtesy of SUBARU OF AMERICA, INC.
  14. Install the MT gear shift cable and MT gear select cable to MT gear shift lever. < Ref. to EXCEPT FOR STI MODEL , INSTALLATION, MT Gear Shift Lever. >
    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.
  15. Install the hanger bracket.

    Tightening torque: 

    23 N.m (2.3 kgf-m, 17.0 ft-lb) 

    Fig 9: Installing Hanger Bracket
    G10268619Courtesy of SUBARU OF AMERICA, INC.
  16. Install the propeller shaft. < Ref. to INSTALLATION , Propeller Shaft. >
  17. Install the center exhaust cover.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb) 

  18. Install the center exhaust pipe (rear). < Ref. to INSTALLATION , Center Exhaust Pipe. >
  19. Lower the vehicle.
  20. Install the starter. < Ref. to INSTALLATION , Starter. >
  21. 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 10: Locating Transmission Gasket Bolts
    G05335715Courtesy of SUBARU OF AMERICA, INC.
  22. Remove the ST.
    Fig 11: Removing ST
    G10268637Courtesy of SUBARU OF AMERICA, INC.
  23. Install the pitching stopper. < Ref. to PITCHING STOPPER , INSTALLATION, Transmission Mounting System. >
  24. Install the engine ground terminals.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 12: Identifying Engine Ground Terminals
    G10268616Courtesy of SUBARU OF AMERICA, INC.
  25. Install the operating cylinder.

    Tightening torque: 

    37 N.m (3.8 kgf-m, 27.3 ft-lb) 

    Fig 13: Locating Operating Cylinder Bolts
    G10268615Courtesy of SUBARU OF AMERICA, INC.
  26. Install the transmission radio ground cord terminal and the engine rear hanger, connect the following connectors, and then secure the clip on the bracket.

    Tightening torque: 

    Transmission radio ground cord terminal 

    13 N.m (1.3 kgf-m, 9.6 ft-lb) 

    Engine rear hanger 

    21 N.m (2.1 kgf-m, 15.5 ft-lb) 

    Fig 14: Locating Engine Rear Hanger Bolts
    G10293704Courtesy of SUBARU OF AMERICA, INC.
  27. Pour in transmission gear oil and check the oil level. < Ref. to TRANSMISSION GEAR OIL . >
  28. Install the intercooler stay and the intercooler. < Ref. to INSTALLATION , Intercooler. >
  29. Install the front tires.
  30. Install the collector cover. < Ref. to INSTALLATION , Collector Cover. >
  31. Connect the ground terminal to battery sensor. < Ref. to BATTERY , NOTE, Note. >
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