2009 Subaru Tribeca BaseFACTORY OEM SERVICE PROCEDURE

Automatic Transmission Assembly: Installation

  1. Replace the front differential side retainer oil seal.
    1. Remove the oil seal by using flat tip screwdriver etc.
    2. Install a new oil seal using ST.

      ST 18675AA000 DIFFERENTIAL SIDE OIL SEAL INSTALLER

      NOTE:
      • Apply oil to the oil seal lips.
      • Be sure to replace the differential side oil seal after the procedure of removing front drive shaft from transmission.
        Fig 1: Identifying Differential Side Retainer Oil Seal
        G05002510Courtesy of SUBARU OF AMERICA, INC.
  2. Attach the ST to converter case.

    ST 498277200 STOPPER SET

    Fig 2: Identifying Stopper Set
    G05002491Courtesy of SUBARU OF AMERICA, INC.
  3. Install the transmission onto the engine.
  4. Install the engine mounting bolts and nuts (lower side).

    Tightening torque:Β 

    50 N.m (5.1 kgf-m, 36.9 ft-lb)Β 

    Fig 3: Locating Transmission Mounting Bolts And Nuts (Lower Side)
    G05022208Courtesy of SUBARU OF AMERICA, INC.
  5. Install the transmission rear crossmember.

    Tightening torque:Β 

    75 N.m (7.6 kgf-m, 55.3 ft-lb)Β 

    Fig 4: Locating Rear Crossmember
    G05022207Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the transmission jack.
  7. Lower the vehicle.
  8. Install the engine mounting bolt (upper side).

    Tightening torque:Β 

    50 N.m (5.1 kgf-m, 36.9 ft-lb)Β 

    Fig 5: Locating Transmission Mounting Bolt (Upper Side)
    G05022197Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the ST from converter case.
  10. Install the torque converter to drive plate.
    CAUTION:
    • Be careful not to drop bolts into converter housing.
    • Be careful not to damage the mounting bolts.
    1. Install the bolts which hold torque converter to drive plate.
    2. Install all four bolts by rotating the crank pulley a little at a time.
    3. Install the service hole.

      Tightening torque:Β 

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

  11. Install the starter. Ref. to INSTALLATION , Starter.
  12. Remove the ST and install the pitching stopper bracket.

    Tightening torque:Β 

    41 N.m (4.2 kgf-m, 30.2 ft-lb)Β 

    Fig 6: Identifying Pitching Stopper Bracket
    G05032040Courtesy of SUBARU OF AMERICA, INC.
  13. Install the pitching stopper.

    Tightening torque:Β 

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

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

    Fig 7: Identifying Pitching Stopper
    G05670965Courtesy of SUBARU OF AMERICA, INC.
  14. Lift up the vehicle.
  15. Set the ST to side retainer.

    ST 28399SA010 OIL SEAL PROTECTOR

    Fig 8: Identifying Oil Seal Protector
    G05002499Courtesy of SUBARU OF AMERICA, INC.
  16. Install the front drive shaft into the transmission.
    NOTE: Replace the circlip of drive shaft with a new part.
  17. Install the front drive shaft into transmission, remove the ST and insert the drive shaft securely.
  18. Install the inlet and outlet hoses to the ATF inlet and outlet pipes.
    Fig 9: Identifying ATF Inlet/Outlet Pipes And Hose
    G05032030Courtesy of SUBARU OF AMERICA, INC.
  19. Insert the ball joint into the housing. Ref. to INSTALLATION , Front Ball Joint.
  20. Install the front stabilizer clamp. Ref. to INSTALLATION , Front Stabilizer.
  21. Install the clutch housing cover securing bolts.
    Fig 10: Identifying Clutch Housing Cover
    G05022204Courtesy of SUBARU OF AMERICA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.