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

Transmission Case: Assembly

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  1. Install the CVTF filter.
    NOTE:
    • Use a new CVTF filter.
    • Apply CVTF to the CVTF filter.
    • Make sure that the CVTF filter does not protrude from the transmission case.
    Fig 1: Locating Oil Pan Mating Surface And Transmission Case
    G10268172Courtesy of SUBARU OF AMERICA, INC.
  2. Using the ST, install the oil seal.

    ST 18657AA000 INSTALLER

    Fig 2: Removing Oil Seal Using Screwdriver Wrapped With Cloth
    G06654632Courtesy of SUBARU OF AMERICA, INC.
  3. Using ST1 and ST2, install the ball bearing on the reduction gear side.
    NOTE: Use a new ball bearing.

    ST1 398177700 INSTALLER

    ST2 499755602 PRESS SNAP RING

    Fig 3: Installing Ball Bearing On Reduction Gear Side
    G06654639Courtesy of SUBARU OF AMERICA, INC.
  4. Using ST1 and ST2, install the roller bearing on primary pulley side.
    NOTE:
    • Use a new roller bearing.
    • Make adjustment so that the press gets in contact with the center of ST2.

    ST1 398177700 INSTALLER

    ST2 20299AG010 BASE

    Fig 4: Installing Roller Bearing On Primary Pulley Side
    G06654640Courtesy of SUBARU OF AMERICA, INC.
  5. Install the snap ring on primary pulley side.
    NOTE: Use new snap rings.
    Fig 5: Removing Snap Ring On Primary Pulley Side
    G06654634Courtesy of SUBARU OF AMERICA, INC.
  6. Using ST1 and ST2, install the roller bearing on secondary pulley side.
    NOTE:
    • Use a new roller bearing.
    • Make adjustment so that the press gets in contact with the center of ST2.

    ST1 398177700 INSTALLER

    ST2 499755602 PRESS SNAP RING

    Fig 6: Installing Roller Bearing On Secondary Pulley Side
    G06654642Courtesy of SUBARU OF AMERICA, INC.
  7. Install the snap ring on secondary pulley side.
    NOTE: Use new snap rings.
    Fig 7: Removing Snap Ring On Secondary Pulley Side
    G06654636Courtesy of SUBARU OF AMERICA, INC.
  8. Install all plugs.
    NOTE: Use new gaskets and O-rings.

    Tightening torque: 

    T1: 13 N.m (1.3 kgf-m, 9.6 ft-lb) 

    T2: 25 N.m (2.5 kgf-m, 18.4 ft-lb) 

    T3: 35 N.m (3.5 kgf-m, 25.8 ft-lb) 

    Fig 8: Installing Plugs
    G06654644Courtesy of SUBARU OF AMERICA, INC.
  9. Install the lubrication pipe and O-ring.
    NOTE:
    • Use new O-rings.
    • Apply CVTF to the O-rings.

    Tightening torque: 

    16 N.m (1.6 kgf-m, 11.8 ft-lb) 

    Fig 9: Removing Lubrication Pipe
    G06654631Courtesy of SUBARU OF AMERICA, INC.
  10. Install the CVTF inlet pipe and CVTF outlet pipe.
    NOTE: Use a new gasket.

    Tightening torque: 

    T1: 16 N.m (1.6 kgf-m, 11.8 ft-lb) 

    T2: 40 N.m (4.1 kgf-m, 29.5 ft-lb) 

    Fig 10: Installing CVTF Inlet Pipe And CVTF Outlet Pipe
    G11577883Courtesy of SUBARU OF AMERICA, INC.