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Home >> Subaru >> 2006 >> B9 Tribeca Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission 5AT >> AT Main Case >> Installation

AT Main Case: Installation

  1. Install the reverse brake piston.
    NOTE: Apply ATF onto the piston sliding surface.

    ST1 18762AA000 COMPRESSOR SPECIAL TOOL

    ST2 18765AA000 COMPRESSOR SUPPORT

    ST3 18763AA000 COMPRESSOR SHAFT

  2. Install the return spring.
    Fig 1: Removing/Installing Return Spring
    G05022404Courtesy of SUBARU OF AMERICA, INC.
  3. Install the spring retainer and snap ring.

    ST1 18762AA000 COMPRESSOR SPECIAL TOOL

    ST2 18765AA000 COMPRESSOR SUPPORT

    ST3 18763AA000 COMPRESSOR SHAFT

    Fig 2: Identifying Spring Retainer And Snap Ring
    G05032230Courtesy of SUBARU OF AMERICA, INC.
  4. Install the dish plate.
    NOTE: When installing, make sure that the identification mark is facing the front side of transmission.
  5. Install the drive plate and driven plate.
  6. Install the leaf spring.
    Fig 3: Identifying Leaf Spring
    G05032231Courtesy of SUBARU OF AMERICA, INC.
  7. Install the retaining plate.
  8. Install the snap ring of the reverse brake.
    Fig 4: Identifying Retaining Plate
    G05022400Courtesy of SUBARU OF AMERICA, INC.
  9. Perform the clearance check of reverse brake.
    1. Measure the clearance between retainer plate and snap ring using thickness gauge.

      Specification: 0.7 - 1.1 mm (0.028 - 0.043 in) 

      Fig 5: Identifying Clearance Between Retainer Plate And Snap Ring
      G05022411Courtesy of SUBARU OF AMERICA, INC.
    2. If it is out of specification, select a suitable retainer plate from the following table and assemble it.
      RETAINER PLATE THICKNESS

      Retainer plate
      Part No. Thickness mm (in)
      31567AB100 4.2 (0.165)
      31567AB170 4.4 (0.173)
      31567AB180 4.6 (0.181)
      31567AB190 4.8 (0.189)
      31567AB200 5.0 (0.197)
  10. Install the direct clutch assembly.
    Fig 6: Removing/Installing Direct Clutch Assembly
    G05022399Courtesy of SUBARU OF AMERICA, INC.
  11. Install the high and low reverse clutch assembly.
    Fig 7: Removing/Installing High & Low Reverse Clutch Assembly
    G05022398Courtesy of SUBARU OF AMERICA, INC.
  12. Install the thrust needle bearing of the high and low reverse clutch.
    Fig 8: Identifying Thrust Needle Bearing
    G05022397Courtesy of SUBARU OF AMERICA, INC.
  13. Install the middle and rear sun gear assembly.
    Fig 9: Removing/Installing Middle & Rear Sun Gear Assembly
    G05022396Courtesy of SUBARU OF AMERICA, INC.
  14. Install the rear carrier assembly.
    Fig 10: Removing/Installing Rear Carrier Assembly
    G05022395Courtesy of SUBARU OF AMERICA, INC.
  15. Install the middle carrier assembly.
    Fig 11: Removing/Installing Middle Carrier Assembly
    G05022394Courtesy of SUBARU OF AMERICA, INC.
  16. Install the thrust needle bearing of middle carrier assembly.
    Fig 12: Identifying Thrust Needle Bearing
    G05022393Courtesy of SUBARU OF AMERICA, INC.
  17. Measure the total end play, and select the bearing. < Refer to ADJUSTMENT , AT MAIN CASE. >
  18. Install the impact clutch pack assembly to oil pump cover.
    Fig 13: Identifying Impact Clutch Pack Assembly
    G05032241Courtesy of SUBARU OF AMERICA, INC.
  19. Install the thrust needle bearing.
  20. Turn the transmission sideways.
  21. Install the oil pump cover.
    1. Apply ATF to the O-ring of input clutch shaft.
    2. Install the oil pump cover to AT main case while supporting the input clutch shaft and oil pump housing with your hand.
      Fig 14: Removing/Installing Oil Pump Cover
      G05022392Courtesy of SUBARU OF AMERICA, INC.
    3. Make sure the rear end of drive pinion shaft is engaged to the spline of reduction driven gear.
      Fig 15: Identifying Drive Pinion Shaft
      G05032243Courtesy of SUBARU OF AMERICA, INC.
    4. Protect the input clutch shaft with a cloth, and rotate to engage the spline of the input clutch and rear carrier using pliers.
      NOTE: Work with pressing the oil pump cover.
      Fig 16: Rotating Spline Of Input Clutch
      G05032244Courtesy of SUBARU OF AMERICA, INC.
    5. Combine the oil pump cover with transmission main case.

      Tightening torque: 41 N.m (4.2 kgf-m, 30.4 ft-lb) 

      Fig 17: Tightening Oil Pump Cover Bolts
      G05022338Courtesy of SUBARU OF AMERICA, INC.
  22. Install the center differential carrier. < Refer to INSTALLATION , CENTER DIFFERENTIAL CARRIER. >
  23. Install the reduction driven gear. < Refer to INSTALLATION , REDUCTION DRIVEN GEAR. >
  24. Install the extension case. < Refer to INSTALLATION , EXTENSION CASE. >
  25. Install the control valve body. < Refer to INSTALLATION , CONTROL VALVE BODY. >
  26. Install the converter case assembly to the transmission case assembly. < Refer to INSTALLATION , CONVERTER CASE. >
  27. Install the air breather hose. < Refer to INSTALLATION , AIR BREATHER HOSE. >
  28. Install the ATF filter pipe. < Refer to INSTALLATION , ATF COOLER PIPE & HOSE. >
  29. Install the oil charge pipe together with an O-ring. < Refer to INSTALLATION , Oil Charge Pipe. >
  30. Install the torque converter assembly. < Refer to INSTALLATION , TORQUE CONVERTER ASSEMBLY. >
  31. Install the transmission assembly to the vehicle. < Refer to INSTALLATION , AUTOMATIC TRANSMISSION ASSEMBLY. >
  32. Perform Clear Memory 2 operation. < Refer to CLEAR MEMORY MODE , OPERATION, Subaru Select Monitor. >
  33. Perform the inspection with driving the vehicle at the end of repair work, and make sure there is no faulty as below;
NOTE: If excessive shift shock is felt, execute advance operation of learning control. < Refer to PROCEDURE , Learning Control. >
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