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Front Differential Assembly: Installation

  1. Install the front differential assembly to the case.
    NOTE: Be careful not to damage the inside of the converter case (especially the mating surface of the differential side retainer).
    Fig 1: Identifying Front Differential Assembly
    G06337348Courtesy of SUBARU OF AMERICA, INC.
  2. Install the O-ring to left and right side differential retainers.
  3. Install the differential side retainers using ST. Refer to ADJUSTMENT , Front Differential Assembly.

    ST 18630AA010 WRENCH COMPL RETAINER

    NOTE: ST WRENCH ASSEMBLY (499787000) can also be used.
  4. Adjust the backlash of the front differential. Refer to ADJUSTMENT , Front Differential Assembly.
  5. Install the lock plate.

    Tightening torque: 25 N.m (2.5 kgf-m, 18.4 ft-lb) 

    Fig 2: Identifying Lock Plate
    G06337349Courtesy of SUBARU OF AMERICA, INC.
  6. Install new seal pipe to converter case.
    Fig 3: Identifying Seal Pipe On Converter Case
    G06337350Courtesy of SUBARU OF AMERICA, INC.
  7. Install the converter case to the transmission case. Refer to INSTALLATION , Converter Case.
  8. Insert the inhibitor switch connector and transmission harness connector onto the stay.
    Fig 4: Identifying Inhibitor Switch And Transmission Harness Connector
    G06337351Courtesy of SUBARU OF AMERICA, INC.
  9. Install the ATF cooler pipe. Refer to INSTALLATION , ATF Cooler Pipe and Hose.
  10. Install the oil charge pipe together with an O-ring. Refer to INSTALLATION , Oil Charge Pipe.
  11. Insert the input shaft while rotating it lightly by hand, and then check the amount of protrusion.

    Normal protrusion A: 50 - 55 mm (1.97-2.17 in) 

    Fig 5: Identifying Input Shaft Normal Protrusion A
    G06337352Courtesy of SUBARU OF AMERICA, INC.
  12. Install the torque converter clutch assembly. Refer to INSTALLATION , Torque Converter Clutch Assembly.
  13. Install the transmission assembly to the vehicle. Refer to INSTALLATION , Automatic Transmission Assembly.