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Home >> Subaru >> 2018 >> Impreza Base, 4D Wagon, Automatic CVT Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> CVT Transaxle >> Transmission Case >> Disassembly

Transmission Case: Disassembly

  1. Remove the oil stopper plate.
    Fig 1: Locating Oil Stopper Plate Bolts
    G10218771Courtesy of SUBARU OF AMERICA, INC.
  2. Remove all plugs from the transmission case.
    Fig 2: Locating Plugs From Transmission Case
    G11255820Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the oil seal using a screwdriver wrapped with cloth etc.
    Fig 3: Removing Oil Seal Using Screwdriver Wrapped With Cloth
    G10218773Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the ball bearing of the secondary pulley using the ST1 and ST2.
    1. Remove the claw of ST1, and attach the claw of ST2.

      Preparation tool: 

      ST1: PULLER ASSY (398527700)

      ST2: CLAW (18760AA000)

      Fig 4: Removing Ball Bearing Of Secondary Pulley Using ST1 And ST2
      G11255822Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the ball bearing of the secondary pulley using the ST1 and ST2.

      Preparation tool: 

      ST1: PULLER ASSY (398527700)

      ST2: CLAW (18760AA000)

      Fig 5: Removing Ball Bearing Of Secondary Pulley Using ST1 And ST2
      G11255823Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the oil guide.
    Fig 6: Removing Oil Guide
    G08317971Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the roller bearing of the reduction driven gear.
    Fig 7: Removing Roller Bearing Of Reduction Driven Gear
    G11255825Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the thrust bearing.
    Fig 8: Removing Thrust Bearing
    G11255826Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the CVTF filter cover and gasket.
    Fig 9: Identifying CVTF Filter Cover And Gasket
    G08317973Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the CVTF filter.
Fig 10: Identifying CVTF Filter
G08317974Courtesy of SUBARU OF AMERICA, INC.