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Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis (Single Page) >> External Pages >> Different variant/trim >> Section 17 (Continuously Variable Transaxle (CVT) (Service Information)) >> Transmission Case >> Disassembly

Transmission Case: Disassembly

WARNING: This page is about a different variant/trim than selected.
  1. Remove the CVTF inlet pipe and CVTF outlet pipe.
    Fig 1: Removing CVTF Inlet Pipe And CVTF Outlet Pipe
    G11577863Courtesy of SUBARU OF AMERICA, INC.
  2. Remove all plugs from the transmission case.
    Fig 2: Removing Plugs From Transmission Case
    G06654630Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the lubrication pipe.
    Fig 3: Removing Lubrication Pipe
    G06654631Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the oil seal using a screwdriver wrapped with cloth etc.
    Fig 4: Removing Oil Seal Using Screwdriver Wrapped With Cloth
    G06654632Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the ball bearing from reduction driven gear using ST.

    ST 398527700 PULLER ASSY

    Fig 5: Removing Ball Bearing From Reduction Driven Gear Using ST
    G06654633Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the snap ring on primary pulley side.
    Fig 6: Removing Snap Ring On Primary Pulley Side
    G06654634Courtesy of SUBARU OF AMERICA, INC.
  7. Using the ST, remove the roller bearing on primary pulley side.
    NOTE: Warm up the bearing area of transmission case using a drier or heat gun.

    ST 398527700 PULLER ASSY

    Fig 7: Removing Roller Bearing On Primary Pulley Side
    G06654635Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the snap ring on secondary pulley side.
    Fig 8: Removing Snap Ring On Secondary Pulley Side
    G06654636Courtesy of SUBARU OF AMERICA, INC.
  9. Using the ST, remove the roller bearing on secondary pulley side.
    NOTE: Warm up the bearing area of transmission case using a drier or heat gun.

    ST 398527700 PULLER ASSY

    Fig 9: Removing Roller Bearing On Secondary Pulley Side
    G06654637Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the CVTF filter by blowing compressed air through the transmission case hole.
    NOTE: Hold the CVTF filter with a finger to prevent compressed air from leaking.
    Fig 10: Removing CVTF Filter By Blowing Compressed Air Through Transmission Case Hole
    G10268333Courtesy of SUBARU OF AMERICA, INC.
    Fig 11: Holding CVTF Filter With Finger
    G10268334Courtesy of SUBARU OF AMERICA, INC.