2008 Subaru Outback Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Front Differential Assembly: 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 input shaft.
    Fig 1: Identifying Input Shaft
    G05002575Courtesy of SUBARU OF AMERICA, INC.
  4. Lift up the lever on the rear side of transmission harness connector, and then remove it from the stay.
  5. Remove the inhibitor switch from the stay.
  6. Remove the oil charge pipe. < Ref. to REMOVAL , Oil Charge Pipe. >
  7. Remove the ATF inlet and outlet pipes. < Ref. to REMOVAL , ATF Cooler Pipe and Hose. >
  8. Separate the converter case from the transmission case. < Ref. to REMOVAL , Converter Case. >
  9. Remove the seal pipe.
  10. Remove the differential side retainers using ST.

    ST 18630AA010 WRENCH COMPL RETAINER

    NOTE:
    • ST WRENCH ASSEMBLY (499787000) can also be used.
    • Hold the differential case assembly by hand to avoid damaging the retainer mounting hole of the converter case.
  11. Remove the front differential assembly while being careful not to damage the attachment part of the retainer.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.