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Home >> Subaru >> 2009 >> 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. Ref. to REMOVAL , Automatic Transmission Assembly.
  2. Pull out the torque converter assembly. Ref. 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. Ref. to REMOVAL , Oil Charge Pipe.
  6. Remove the ATF inlet and outlet pipes. Ref. to REMOVAL , ATF Cooler Pipe and Hose.
  7. Remove the extension case. Ref. to REMOVAL , Extension Case.
  8. Remove the center differential carrier. Ref. to REMOVAL , Center Differential Carrier.
  9. Remove the reduction driven gear. Ref. to REMOVAL , Reduction Driven Gear.
  10. Separate the converter case from the transmission case. Ref. to REMOVAL , Converter Case.
  11. Remove the control valve body. Ref. to REMOVAL , Control Valve Body.
  12. Remove the oil pump cover. Ref. to REMOVAL , Oil Pump Cover.
    NOTE: The input clutch pack assembly and front sun gear assembly are also removed together.
    Fig 1: Identifying Oil Pump Cover
    G05022392Courtesy of SUBARU OF AMERICA, INC.
  13. Remove the needle bearing of the middle carrier assembly.
    Fig 2: Identifying Needle Bearing
    G05022393Courtesy of SUBARU OF AMERICA, INC.
  14. Remove the middle carrier assembly.
    Fig 3: Identifying Middle Carrier Assembly
    G05022394Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the rear carrier assembly.
    Fig 4: Identifying Rear Carrier Assembly
    G05022395Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the middle & rear sun gear assembly.
    Fig 5: Removing Middle And Rear Sun Gear Assembly
    G05022396Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the thrust needle bearing of high & low reverse clutch.
    Fig 6: Identifying High And Low Reverse Clutch Of Thrust Needle Bearing
    G05022397Courtesy of SUBARU OF AMERICA, INC.
  18. Remove the high & low reverse clutch assembly.
    Fig 7: Removing/Installing High And Low Reverse Clutch Assembly
    G05022398Courtesy 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
    G06343055Courtesy 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: Identifying Reverse Brake Spring Retainer And Snap Ring
    G05022402Courtesy of SUBARU OF AMERICA, INC.
  25. Remove the spring retainer.
    Fig 12: Identifying Spring Retainer
    G05022403Courtesy of SUBARU OF AMERICA, INC.
  26. Remove the return spring.
    Fig 13: Removing/Installing Return Spring
    G05022404Courtesy 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.
  29. Remove the thrust bearing and the seal ring.
    Fig 16: Identifying Thrust Bearing And Seal Ring
    G06343061Courtesy of SUBARU OF AMERICA, INC.
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