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Home >> Subaru >> 2005 >> Outback Limited, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (4AT) >> AT Main Case >> Removal

AT Main Case: Removal

  1. Remove the transmission assembly from vehicle. < Ref. to , REMOVAL , Automatic Transmission Assembly. >
  2. Pull out the torque converter assembly. < Ref. to , REMOVAL , Torque Converter Assembly. >
  3. Remove the input shaft.
    Fig 1: Removing Input Shaft
    G03831419Courtesy of SUBARU OF AMERICA, INC.
  4. Lift-up the lever on the rear side of transmission harness connector, and then disconnect it from the stay.
  5. Disconnect the inhibitor switch connector from the stay.
  6. Disconnect the air breather hose.
  7. Remove the oil charge pipe. < Ref. to , REMOVAL , Oil Charge Pipe. >
  8. Remove the oil cooler inlet and outlet pipes. < Ref. to , REMOVAL , ATF Cooler Pipe and Hose. >
  9. Separate the converter case and transmission case. < Ref. to , REMOVAL , Converter Case. >
  10. Remove the oil pump housing.

    < Ref. to , REMOVAL , Oil Pump Housing. >

  11. Take out the high clutch, thrust needle bearing and reverse clutch assembly.
    Fig 2: Identifying Thrust Needle Bearing
    G03831420Courtesy of SUBARU OF AMERICA, INC.
  12. Take out the high clutch hub and thrust bearing.
    Fig 3: Identifying High Clutch Hub
    G03831421Courtesy of SUBARU OF AMERICA, INC.
  13. Take out the front sun gear and thrust needle bearing.
    Fig 4: Identifying Front Sun Gear
    G03831422Courtesy of SUBARU OF AMERICA, INC.
  14. Pull out the leaf spring without folding.
    NOTE: Remove it while pressing down on lower leaf spring.
    Fig 5: Pulling Out Leaf Spring
    G03831423Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the snap ring and thrust needle bearing.
    Fig 6: Removing Snap Ring And Thrust Needle Bearing
    G03831424Courtesy of SUBARU OF AMERICA, INC.
  16. Take out the retaining plate, drive plate and driven plate of 2-4 brake.
    Fig 7: Removing Retaining Plate
    G03831425Courtesy of SUBARU OF AMERICA, INC.
  17. Take out the thrust needle bearing, planetary gear assembly and low clutch assembly.
    Fig 8: Taking Out Thrust Needle Bearing
    G03831426Courtesy of SUBARU OF AMERICA, INC.
  18. Remove the 2-4 brake seal.
    Fig 9: Removing Brake Seal
    G03831427Courtesy of SUBARU OF AMERICA, INC.
  19. Remove the snap ring.
    Fig 10: Removing Snap Ring
    G03831428Courtesy of SUBARU OF AMERICA, INC.
  20. Take out the 2-4 brake return spring.
    Fig 11: Taking Out Brake Return Spring
    G03831429Courtesy of SUBARU OF AMERICA, INC.
  21. Remove the 2-4 brake piston and piston retainer without damaging.
    Fig 12: Removing Brake Piston
    G03831430Courtesy of SUBARU OF AMERICA, INC.
  22. Pull out the leaf spring without folding.
    Fig 13: Pulling Out Leaf Spring
    G03831431Courtesy of SUBARU OF AMERICA, INC.
  23. Remove the snap ring.
    Fig 14: Removing Snap Ring
    G03831432Courtesy of SUBARU OF AMERICA, INC.
  24. Take out the retaining plate, drive plate, driven plate and dish plate.
    Fig 15: Removing Retaining Plate
    G03831433Courtesy of SUBARU OF AMERICA, INC.
  25. Turn the transmission case upside down, and then take out the socket bolts while holding the one-way clutch inner race with hand.
    Fig 16: Turning Transmission Case Upside Down
    G03831434Courtesy of SUBARU OF AMERICA, INC.
  26. Remove the spring retainer.
    Fig 17: Removing Spring Retainer
    G03831435Courtesy of SUBARU OF AMERICA, INC.
  27. Take out the return spring.
    Fig 18: Removing Return Spring
    G03831436Courtesy of SUBARU OF AMERICA, INC.
  28. Apply compressed air.
    Fig 19: Applying Compressed Air
    G03831437Courtesy of SUBARU OF AMERICA, INC.
  29. Take out the low & reverse piston.
    Fig 20: Taking Out Reverse Piston
    G03831438Courtesy of SUBARU OF AMERICA, INC.
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