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Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Continuously Variable Transaxle (CVT) (Service Information)) >> Front Differential Assembly >> Removal

Front Differential Assembly: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Remove the transmission assembly from the vehicle. <Ref. to REMOVAL , Automatic Transmission Assembly.>
  2. Remove the air breather hose. <Ref. to REMOVAL , Air Breather Hose.>
  3. Remove the oil pan and control valve body. <Ref. to REMOVAL , Control Valve Body.>
  4. Remove the transmission harness. <Ref. to REMOVAL , Transmission Harness.>
  5. Remove the extension case. <Ref. to REMOVAL , Extension Case.>
  6. Remove the rear drive shaft. <Ref. to REMOVAL , Rear Drive Shaft.>
  7. Remove the transfer clutch assembly. <Ref. to REMOVAL , Transfer Clutch.>
  8. Remove the center differential carrier. <Ref. to REMOVAL , Center Differential Carrier.>
  9. Remove the transfer reduction driven gear assembly. <Ref. to REMOVAL , Transfer Reduction Driven Gear.>
  10. Remove the intermediate case. <Ref. to REMOVAL , Intermediate Case.>
  11. Remove the forward clutch assembly. <Ref. to REMOVAL , Forward Clutch Assembly.>
  12. Remove the transmission case. <Ref. to REMOVAL , Transmission Case.>
  13. Remove the primary pulley, secondary pulley and variator chain. <Ref. to REMOVAL , Primary Pulley and Secondary Pulley.>
  14. Remove the drive pinion shaft assembly. <Ref. to REMOVAL , Drive Pinion Shaft Assembly.>
  15. Remove the lock plates on both sides.
    Fig 1: Lock Plate
    G11577945Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the differential side retainers using ST.

    ST 18658AA020 WRENCH COMPL RETAINER

    NOTE:
    • Support the differential case assembly by hand to avoid damaging the retainer mounting hole of the converter case.
    • When keeping the retainers aside, use labels etc. to avoid confusing the left and right.
    Fig 2: Removing Differential Side Retainers Using ST
    G06654708Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the front differential assembly while being careful not to damage the attachment part of the retainer.
  18. Remove the oil seals and O-rings from both differential side retainers. <Ref. to SIDE RETAINER , DISASSEMBLY, Front Differential Assembly.>
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