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Home › Subaru › 2023 › WRX Base, Automatic CVT Trans › Repair and Diagnosis › Transmission › Automatic Trans › CVT Transaxle System (Tr690) › Extension Case › Assembly

Extension Case: Assembly

  1. Install the plugs with new O-rings.

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

    G14611253Courtesy of SUBARU OF AMERICA, INC.
  2. Install a new extension case oil seal. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>EXTENSION CASE OIL SEAL>REPLACEMENT .
  3. Install a new ball bearing and pressure plate to the transfer clutch piston.
    G16539577Courtesy of SUBARU OF AMERICA, INC.
    (A)  Pressure plate 
    (B)  Ball bearing 
    (C)  Transfer clutch piston 
  4. Install a new D-ring and O-ring.
    NOTE: Apply CVTF to the D-ring and O-ring.
    G14611251Courtesy of SUBARU OF AMERICA, INC.
  5. Install the transfer clutch piston to the extension case.
    NOTE: Align the straight pin position.
    G16539582Courtesy of SUBARU OF AMERICA, INC.
    (A)  Straight pin 
  6. Install the spring retainer, return spring and clutch spring retainer.
    G16539583Courtesy of SUBARU OF AMERICA, INC.
    (A)  Clutch spring retainer 
    (B)  Return spring 
    (C)  Spring retainer 
  7. Using the ST and a press, install the snap ring.

    Preparation tool: 

    ST: COMPRESSOR SPECIAL TOOL (18762AA001)

    G14611248Courtesy of SUBARU OF AMERICA, INC.
  8. Install the dust cover.
    G14611247Courtesy of SUBARU OF AMERICA, INC.
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