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HOMESERVICE MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSCVT TRANSAXLE (TR580)TRANSFER CLUTCHASSEMBLY
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans

Transfer Clutch: Assembly

2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Assembly
  1. Install the transfer clutch piston.
    NOTE:

    Apply CVTF to the transfer clutch piston lip. 

  2. Install the return spring.
    G08317908Courtesy of SUBARU OF AMERICA, INC.
  3. Install the transfer clutch piston seal.
    NOTE:

    Apply CVTF to the lip section of transfer clutch piston seal. 

    G08317912Courtesy of SUBARU OF AMERICA, INC.
  4. Using the ST, compress the return spring with a press and install the snap ring.

    Preparation tool: 

    ST: COMPRESSOR SPECIAL TOOL (18762AA001)

    G13936750Courtesy of SUBARU OF AMERICA, INC.
  5. Install the pressure plate, driven plate, drive plate and snap ring.
    G13936751Courtesy of SUBARU OF AMERICA, INC.
  6. Blow compressed air through transfer clutch assembly hole, and check the transfer clutch piston operation.
    NOTE:

    Plug the holes through which the compressed air is not blown. 

    G08317909Courtesy of SUBARU OF AMERICA, INC.
  7. Before measuring clearance "C", place same thickness shims on both sides to prevent the plate from tilting.
  8. When the clearance "C" exceeds the limit for use, select the transfer clutch plate set and pressure plate, and adjust the clearance "C" within the initial specified value.

    Initial standard: 

    0.7 - 1.1 mm (0.028 - 0.043 in)

    Limit thickness: 

    1.3 mm (0.051 in)

    G13936753Courtesy of SUBARU OF AMERICA, INC.
    1. Measure the thickness of the pressure plate for the transfer clutch plate set that has been used before replacement.
    2. Select the transfer clutch plate set that uses the pressure plate of which the value is close to the measured value in (1), and check the clearance "C".
    3. When the clearance "C" exceeds the limit for use in step (2), replace the pressure plate installed on the lower side of the transfer clutch plate set, and check the clearance "C" again.
    4. When the clearance "C" exceeds the limit for use in step (3), select the transfer clutch plate set that was not used in step (2), and adjust the clearance "C" again.
  9. Check the clearance between snap ring and pressure plate. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>TRANSFER CLUTCH>INSPECTION .
  10. Install the ball bearing using the ST1 and ST2.
    NOTE:

    Use a new ball bearing. 

    Preparation tool: 

    ST1: INSTALLER (398177700)

    ST2: INSTALLER (499277000)

    G08317917Courtesy of SUBARU OF AMERICA, INC.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.