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Home >> Subaru >> 2015 >> WRX Limited, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Manual Transaxle & Differential (TY85) (STI)) >> Extension Case >> Disassembly

Extension Case: Disassembly

WARNING: This page is about a different variant/trim than selected.
  1. Remove the transfer drive gear. <Ref. to REMOVAL , Transfer Drive Gear.>
  2. Remove the oil guide.
    Fig 1: Removing Oil Guide
    G05003281Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the shift bracket.
    Fig 2: Locating Shift Bracket Bolts
    G05003282Courtesy of SUBARU OF AMERICA, INC.
  4. Using the ST, remove the taper roller bearing (extension case side) outer race.

    ST 18758AA000 PULLER

    Fig 3: Removing Taper Roller Bearing (Extension Case Side) Outer Race
    G10269008Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the adjusting washer and oil plate.
    Fig 4: Removing Adjusting Washer And Oil Plate
    G10269009Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the shifter arm oil seal.
    Fig 5: Removing Shifter Arm Oil Seal
    G10269010Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the reverse check system. <Ref. to REMOVAL , Reverse Check System.>
  8. Remove the extension oil seal. <Ref. to REPLACEMENT , Oil Seal.>