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Manual Transmission Assembly: Installation

  1. Replace the differential side retainer oil seal. Refer to REPLACEMENT .
    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: Installing Differential Side Retainer Oil Seal Using Installer
    G05002972Courtesy of SUBARU OF AMERICA, INC.
  2. Install the transmission cushion rubber to the transmission assembly, and tighten bolt (A).
  3. 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 Mounting Nuts And Bolts
    G06652276Courtesy of SUBARU OF AMERICA, INC.
  4. 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: Bending Transmission Hanger
    G08581923Courtesy of SUBARU OF AMERICA, INC.
  5. Install the transmission onto the engine.
    CAUTION: This operation requires at least two persons.
    NOTE: Keep the engine level.
    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.
  6. Temporarily tighten the bolts and nuts which hold lower side of transmission to engine.
  7. Install the front crossmember and rear crossmember.

    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: Front And Rear Crossmember Mounting Bolts With Torque Specifications
    G06652278Courtesy 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 5: Locating Transmission Lower Side Mounting Bolts
    G05002964Courtesy of SUBARU OF AMERICA, INC.
  10. Lower the vehicle.
  11. Install the two mounting bolts on the upper side of the transmission.

    Tightening torque: 

    50 N.m (5.1 kgf-m, 36.9 ft-lb) 

    Fig 6: Locating Transmission Upper Side Mounting Bolts
    G05335715Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the ST (ENGINE HANGER).
  13. Install the transmission main mounting bracket.
    NOTE: Incline the engine, and install the transmission main mounting bracket for the left side of the vehicle first.

    Tightening torque: 

    75 N.m (7.6 kgf-m, 55.3 ft-lb) 

    Fig 7: Locating Transmission Mounting Bracket Mounting Bolts
    G06652270Courtesy of SUBARU OF AMERICA, INC.
  14. Attach the ST (ENGINE HANGER) again.
  15. Remove the bolts from ST (SPECIAL TOOL FB).
    Fig 8: Locating Special Tool Securing Bolts
    G08581915Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the bolt and nut to remove ST (SPECIAL TOOL FB).
  17. Temporarily attach the front cushion rubber with bolts.
    Fig 9: Locating Front Cushion Rubber Mounting Bolts
    G07915056Courtesy of SUBARU OF AMERICA, INC.
  18. Install the bolt and nut to the front cushion rubber.
  19. Tighten the bolts and nuts of front cushion rubber.
    NOTE: Always start tightening from the bolts on the engine side.

    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 10: Front Cushion Rubber Mounting Bolts And Nuts With Torque Specifications
    G06652282Courtesy of SUBARU OF AMERICA, INC.
  20. Remove the ST (ENGINE HANGER) from the vehicle.
  21. 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 11: Locating Nuts Connecting Engine Mounting And Transmission Main Mounting Bracket
    G06652264Courtesy of SUBARU OF AMERICA, INC.
  22. Install the starter. Refer to INSTALLATION .
  23. Install the operating cylinder.

    Tightening torque: 

    37 N.m (3.8 kgf-m, 27.3 ft-lb) 

    Fig 12: Locating Operating Cylinder Mounting Bolts
    G08581908Courtesy of SUBARU OF AMERICA, INC.
  24. Lift up the vehicle.
  25. Install the front drive shaft into the transmission. Refer to INSTALLATION .
  26. Insert the front arm ball joint into the housing lower part. Refer to INSTALLATION .
  27. Attach the stabilizer link to the front arm. Refer to INSTALLATION .
  28. Install the MT gear shift cable and MT gear select cable to MT gear shift lever. Refer to INSTALLATION .
    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.
  29. Install the propeller shaft. Refer to INSTALLATION .
  30. Install the steering shaft universal joint. Refer to INSTALLATION .
  31. Install the heat shield cover. Refer to INSTALLATION .
  32. Install the center exhaust pipe. Refer to INSTALLATION and INSTALLATION .
  33. Install the front under cover. Refer to INSTALLATION .
  34. Lower the vehicle.
  35. Install the throttle body. Refer to INSTALLATION .
  36. Connect the following connectors.
    1. Transmission radio ground terminal

      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
  37. Fill transmission gear oil through the transmission oil level gauge hole. Refer to TRANSMISSION GEAR OIL .
  38. Install the air intake boot assembly. Refer to INSTALLATION .
  39. Install the radiator fan.
  40. Attach the grille bracket.
    Fig 13: Locating Grille Bracket Clips
    G08581904Courtesy of SUBARU OF AMERICA, INC.
  41. Install the air intake duct. Refer to INSTALLATION .
  42. Install the front wheels.
  43. Adjust the detent of the MT gear shift lever. Refer to ADJUSTMENT .
  44. Connect the battery ground terminal.