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Home >> Subaru >> 2016 >> WRX Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Manual Transaxle & Differential (TY85) (WRX-STI)) >> Transmission Case >> Removal

Transmission Case: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Remove the manual transmission assembly from the vehicle. < Ref. to REMOVAL , Manual Transmission Assembly. >
  2. Prepare the transmission for overhaul. < Ref. to PREPARATION FOR OVERHAUL . >
  3. Remove the neutral position switch, back-up light switch and harness. < Ref. to REMOVAL , Neutral Position Switch. > < Ref. to REMOVAL , Back-up Light Switch. >
  4. Remove the extension case. < Ref. to REMOVAL , Extension Cases. >
  5. Remove the transfer driven gear. < Ref. to REMOVAL , Transfer Driven Gears. >
  6. Remove the center differential. < Ref. to REMOVAL , Center Differentials
  7. Remove the oil guides G and H.
    Fig 1: Removing Oil Guides G And H
    G10294115Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the snap ring and washer from the selector arm area.
    Fig 2: Identifying Snap Ring And Washer
    G10294116Courtesy of SUBARU OF AMERICA, INC.
  9. Using an ST, remove the neutral set spring and support.

    ST1 18756AA000 CLAW

    ST2 399893600 PLIER

    Fig 3: Removing Neutral Set Spring And Support
    G05003292Courtesy of SUBARU OF AMERICA, INC.
  10. Lift the striking rod, and remove the straight pin.
    Fig 4: Lifting Striking Rod
    G10294118Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the selector arm No. 2, shifter arm shaft, selector plunger, shift accent plunger and spring.
    Fig 5: Removing Selector Arm No. 2, Shift Accent Plunger And Spring
    G10294119Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the transfer bearing holder.
    NOTE: Using a general tool may cause damage. Remove the bolt using the ST.

    ST 18663AA000 SOCKET

    Fig 6: Locating Screws
    G05669441Courtesy of SUBARU OF AMERICA, INC.
  13. Remove the washer on the main shaft section.
  14. Remove the driven gear assembly shim and spacer.
    Fig 7: Removing Driven Gear Assembly Shim And Spacer
    G10294121Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the snap ring.
    Fig 8: Removing Snap Ring
    G05003348Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the pilot bolt.
    Fig 9: Locating Pilot Bolt
    G05003349Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the holder reverse bolt.
    Fig 10: Locating Holder Reverse Bolt
    G05003350Courtesy of SUBARU OF AMERICA, INC.
  18. Remove the transmission case.
    NOTE: If the oil guide is caught between the shift fork, it may be difficult to remove the transmission case. Move the oil guide, then remove. Do not pull on the transmission case with excessive force.
    Fig 11: Locating Transmission Case Bolts
    G06345973Courtesy of SUBARU OF AMERICA, INC.
  19. Remove any remaining liquid gasket from the transmission case and adapter plate.
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