LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2015 >> WRX Limited, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Manual Transaxle & Differential (TY85) (STI)) >> Main Shaft Assembly >> Installation

Main Shaft Assembly: Installation

WARNING: This page is about a different variant/trim than selected.
  1. Adjust the 3rd-4th and 5th-6th fork rods. <Ref. to ADJUSTMENT , Shifter Fork and Rod.>
  2. Rotate the reverse idler sub gear in the arrow direction by two teeth, and secure it with a wire.
    Fig 1: Rotating Reverse Idler Sub Gear
    G10269076Courtesy of SUBARU OF AMERICA, INC.
  3. Attach the driven gear assembly to the 1st-2nd shifter fork assembly.
    Fig 2: Attaching Driven Gear Assembly To 1st-2nd Shifter Fork Assembly
    G10269077Courtesy of SUBARU OF AMERICA, INC.
  4. Attach the main shaft assembly to the 3rd-4th shifter fork, and assemble to the driven gear assembly.
    Fig 3: Attaching Main Shaft Assembly To 3rd-4th Shifter Fork
    G10269078Courtesy of SUBARU OF AMERICA, INC.
  5. Attach the 5th-6th shifter fork assembly to the main shaft assembly.
    Fig 4: Attaching 5th-6th Shifter Fork Assembly To Main Shaft Assembly
    G10269079Courtesy of SUBARU OF AMERICA, INC.
  6. Attach the reverse shifter fork assembly to the reverse idler gear assembly.
    Fig 5: Attaching Reverse Shifter Fork Assembly To Reverse Idler Gear Assembly
    G10269080Courtesy of SUBARU OF AMERICA, INC.
  7. Install the reverse idler gear assembly.
    Fig 6: Installing Reverse Idler Gear Assembly
    G10269081Courtesy of SUBARU OF AMERICA, INC.
  8. Install the thrust bearing of the driven gear assembly.
  9. Push on the shifter forks, main shaft assembly, driven gear assembly and reverse idler gear assemblies, to attach to the adapter plate all at once.
    NOTE: A helper is required to perform this work.
  10. As necessary, remove the wire used to secure from the reverse idler gear.
  11. Install the plunger, check spring, new O-ring and check plugs.

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.4 ft-lb) 

    Fig 7: Installing Plunger, Check Spring, O-Ring And Check Plugs
    G10269082Courtesy of SUBARU OF AMERICA, INC.
  12. Install the check ball, check spring, new O-ring and check plugs.

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.4 ft-lb) 

    Fig 8: Installing Check Ball, Check Spring, O-Ring And Check Plugs
    G10269083Courtesy of SUBARU OF AMERICA, INC.
  13. Install the bolt and a new gasket holding the reverse idler shaft.

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.4 ft-lb) 

  14. Use a screwdriver to shift to the 4th gear position.
  15. Install the reverse idler holder.
  16. Install the oil guide B.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb) 

  17. Install the striking rod.
  18. Install the transmission case. <Ref. to INSTALLATION , Transmission Case.>
  19. Install the selected main shaft snap ring and washers.
  20. Install the center differential. <Ref. to INSTALLATION , Center Differential.>
  21. Install the transfer driven gear. <Ref. to INSTALLATION , Transfer Driven Gear.>
  22. Install the extension case. <Ref. to INSTALLATION , Extension Case.>
  23. Install the neutral position switch, back-up light switch and harness. <Ref. to INSTALLATION , Neutral Position Switch.> <Ref. to INSTALLATION , Back-up Light Switch.>
  24. Install the manual transmission assembly to the vehicle. <Ref. to INSTALLATION , Manual Transmission Assembly.>
scientia non olet · About LEMON Manuals