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

AT Main Case: Removal

  1. Remove the transmission assembly from vehicle body. < Refer to REMOVAL , AUTOMATIC TRANSMISSION ASSEMBLY. >
  2. Pull out the torque converter assembly. < Refer to REMOVAL , TORQUE CONVERTER ASSEMBLY. >
  3. Remove the transmission harness connector from stay.
  4. Disconnect the air breather hose.
  5. Remove the oil charge pipe. < Refer to REMOVAL , Oil Charge Pipe. >
  6. Remove the ATF filter inlet and outlet pipes. < Refer to REMOVAL , ATF COOLER PIPE & HOSE. >
  7. Remove the extension case. < Refer to REMOVAL , EXTENSION CASE. >
  8. Remove the center differential carrier. < Refer to REMOVAL , CENTER DIFFERENTIAL CARRIER. >
  9. Remove the reduction driven gear. < Refer to REMOVAL , REDUCTION DRIVEN GEAR. >
  10. Separate the converter case from the transmission case. < Refer to REMOVAL , CONVERTER CASE. >
  11. Remove the control valve body. < Refer to REMOVAL , CONTROL VALVE BODY. >
  12. Remove the oil pump cover.

    < Refer to REMOVAL , OIL PUMP COVER. >

    NOTE: The input clutch pack assembly and front sun gear assembly are also removed together.
    Fig 1: Removing/Installing Oil Pump Cover
    G05022392Courtesy of SUBARU OF AMERICA, INC.
  13. Remove the needle bearing of the middle carrier assembly.
    Fig 2: Identifying Needle Bearing At Middle Carrier Assembly
    G05022393Courtesy of SUBARU OF AMERICA, INC.
  14. Remove the middle carrier assembly.
    Fig 3: Removing/Installing Middle Carrier Assembly
    G05022394Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the rear carrier assembly.
    Fig 4: Removing/Installing Rear Carrier Assembly
    G05022395Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the middle and rear sun gear assembly.
    Fig 5: Removing/Installing Middle & Rear Sun Gear Assembly
    G05022396Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the thrust needle bearing of high and low reverse clutch.
    Fig 6: Identifying Thrust Needle Bearing Of High & Low Reverse Clutch
    G05022397Courtesy of SUBARU OF AMERICA, INC.
  18. Remove the high and low reverse clutch assembly.
    Fig 7: Removing/Installing High & Low Reverse Clutch Assembly
    G05032220Courtesy of SUBARU OF AMERICA, INC.
  19. Remove the direct clutch assembly.
    Fig 8: Removing/Installing Direct Clutch Assembly
    G05022399Courtesy of SUBARU OF AMERICA, INC.
  20. Remove the snap ring of reverse brake.
    Fig 9: Identifying Snap Ring Of Reverse Brake
    G05022400Courtesy of SUBARU OF AMERICA, INC.
  21. Remove the retaining plate.
  22. Remove the leaf spring.
    Fig 10: Identifying Leaf Spring
    G05032223Courtesy of SUBARU OF AMERICA, INC.
  23. Take out the drive plate, driven plate and dish plate.
  24. Remove the snap ring of the reverse brake spring retainer.

    ST1 18762AA000 COMPRESSOR SPECIAL TOOL

    ST2 18765AA000 COMPRESSOR SUPPORT

    ST3 18763AA000 COMPRESSOR SHAFT

    Fig 11: Removing Snap Ring Of Reverse Brake Spring Retainer Using ST
    G05022402Courtesy of SUBARU OF AMERICA, INC.
  25. Remove the spring retainer.
    Fig 12: Removing Spring Retainer
    G05022403Courtesy of SUBARU OF AMERICA, INC.
  26. Remove the return spring.
    Fig 13: Removing/Installing Return Spring
    G05032226Courtesy of SUBARU OF AMERICA, INC.
  27. Apply compressed air.
    Fig 14: Applying Compressed Air
    G05022405Courtesy of SUBARU OF AMERICA, INC.
  28. Remove the reverse brake piston.
Fig 15: Removing Reverse Brake Piston
G05022406Courtesy of SUBARU OF AMERICA, INC.
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