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Home >> Subaru >> 2019 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Manual Transaxle & Differential (TY856)) >> Driven Gear Assembly >> Disassembly

Driven Gear Assembly: Disassembly

WARNING: This page is about a different variant/trim than selected.
NOTE: Individual coupling sleeves and synchronizer hubs meet at a specified position. Before disassembly, mark the meeting position of the coupling sleeve and synchronizer hub.
  1. Affix the ST to the work table.
    ST 18664AA000 BASE
  2. Flatten the tab of the lock nut.
  3. Attach ST3 to the lock nut, set the driven gear assembly to the ST, and remove the lock nut.
    ST1 18666AA000 HOLDER
    ST2 18664AA000 BASE
    ST3 18620AA000 ADAPTER WRENCH
    G05003418Courtesy of SUBARU OF AMERICA, INC.
  4. Attach ST1 to the 6th driven gear, then remove the ball bearing and 5th-6th driven gear.
    ST1 18723AA000 REMOVER
    ST2 499877000 RACE 4-5 INSTALLER
    G13261923Courtesy of SUBARU OF AMERICA, INC.
  5. Attach ST1 to the 4th driven gear, then remove the 3rd-4th driven gear.
    ST1 18723AA000 REMOVER
    ST2 499877000 RACE 4-5 INSTALLER
    G13261924Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the key.
    G05003420Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the 2nd driven gear.
    G05003421Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the 2nd needle bearing and 1st-2nd coupling sleeve.
    G13261927Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the 2nd outer baulk ring, 2nd synchro cone and 2nd inner baulk ring.
    G13261928Courtesy of SUBARU OF AMERICA, INC.
  10. Using the ST, remove individual parts.
    ST 18754AA000 REMOVER
    G13261929Courtesy of SUBARU OF AMERICA, INC.