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Front Differential Assembly: Removal

  1. Remove the transmission assembly from the vehicle. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Automatic Transmission Assembly>REMOVAL .
  2. Remove the air breather hose. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Air Breather Hose>REMOVAL .
  3. Remove the control valve body. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Control Valve Body>REMOVAL .
  4. Remove the transmission harness. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Transmission Harness>REMOVAL .
  5. Remove the turbine speed sensor. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Turbine Speed Sensor>REMOVAL .
  6. Remove the secondary speed sensor. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Secondary Speed Sensor>REMOVAL .
  7. Remove the primary speed sensor. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Primary Speed Sensor>REMOVAL .
  8. Remove the inhibitor switch. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Inhibitor Switch>REMOVAL .
  9. Remove the extension case. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Extension Case>REMOVAL .
  10. Remove the transfer clutch assembly. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Transfer Clutch>REMOVAL .
  11. Remove the transfer driven gear assembly. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Transfer Driven Gear>REMOVAL .
  12. Remove the parking pawl. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Parking Pawl>REMOVAL .
  13. Remove the reduction driven gear assembly. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Reduction Driven Gear>REMOVAL .
  14. Remove the oil pan and oil strainer. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Oil Pan and Strainer>REMOVAL .
  15. Remove the transmission control device. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Transmission Control Device>REMOVAL .
  16. Remove the transmission case. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Transmission Case>REMOVAL .
  17. Remove the reduction drive gear. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Reduction Drive Gear>REMOVAL .
  18. Remove the primary pulley, secondary pulley and variator chain. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Primary Pulley and Secondary Pulley>REMOVAL .
  19. Remove the reverse brake assembly. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Reverse Brake Assembly>REMOVAL .
  20. Remove the forward clutch assembly. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Forward Clutch Assembly>REMOVAL .
  21. Remove the drive pinion shaft assembly. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Drive Pinion Shaft Assembly>REMOVAL .
  22. Remove the oil baffle.
    Fig 1: Removing Oil Baffle
    G11255990Courtesy of SUBARU OF AMERICA, INC.
  23. Remove the lock plates on both sides.
    Fig 2: Identifying Lock Plate
    G11255991Courtesy of SUBARU OF AMERICA, INC.
  24. Remove the differential side retainers using ST.
    NOTE:
    • When the wrench COMPL retainer interferes with the converter case, align the cutout portion with the interference part.
    • Support the differential case assembly by hand to avoid damaging the retainer mounting hole of the converter case.
    • Keep the left and right differential side retainers and left and right bearing outer races by attaching tags or in similar ways to make it possible to identify RH and LH sides.

    Preparation tool: 

    ST: WRENCH COMPL RETAINER (18658AA020)

    Fig 3: Removing Differential Side Retainers Using ST
    G08318133Courtesy of SUBARU OF AMERICA, INC.
  25. Remove the front differential assembly while being careful not to damage the attachment part of the retainer.
    Fig 4: Removing Front Differential Assembly
    G11255993Courtesy of SUBARU OF AMERICA, INC.
  26. Remove the oil seals and O-rings from both differential side retainers. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Front Differential Assembly>DISASSEMBLY>SIDE RETAINER .
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