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Home >> Subaru >> 2021 >> Outback Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> CVT Transaxle System (Tr580) >> Extension Case >> Installation
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Extension Case: Installation

  1. Check the projection (A) of the knock pins.
    NOTE: When attached on the extension case side, install on the transmission case side.
    G13950589Courtesy of SUBARU OF AMERICA, INC.

    Specification: 

    8.5 - 9.5 mm (0.33 - 0.37 in)

    G13950590Courtesy of SUBARU OF AMERICA, INC.
  2. Confirm that the shaft (A), parking pawl (B) and return spring (C) are firmly attached.
    G13950591Courtesy of SUBARU OF AMERICA, INC.
  3. Perform the following operations when replacing the extension case.
    1. Select the transfer driven gear shim. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>TRANSFER CLUTCH>INSTALLATION .
    2. Select the transfer drive gear shim. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>REDUCTION DRIVEN GEAR>INSTALLATION .
  4. Install a new seal ring.
    NOTE:
    • Apply CVTF to the seal rings.
    • Do not stretch the seal ring more than necessary.
    G13950592Courtesy of SUBARU OF AMERICA, INC.
  5. Install a new O-ring.
    NOTE: Apply CVTF to the O-rings.
    G13950593Courtesy of SUBARU OF AMERICA, INC.
  6. Using vaseline, set the transfer driven gear shim and transfer drive gear shim.
    G13950594Courtesy of SUBARU OF AMERICA, INC.
  7. Apply liquid gasket to the mating surface of the transmission case as shown in the figure, and temporarily install the extension case and transmission hanger (A).
    CAUTION: Be careful not to damage the oil seal of the extension case.
    NOTE:
    • Before applying liquid gasket, degrease the old liquid gasket seal surfaces of the extension case and transmission case.
    • Install within 5 min. after applying liquid gasket.

    Liquid gasket: 

    THREE BOND 1216J or equivalent

    G13950595Courtesy of SUBARU OF AMERICA, INC.
    G13950596Courtesy of SUBARU OF AMERICA, INC.
  8. Tighten the bolts to secure the extension case and transmission hanger.

    Tightening torque: 

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

  9. Install the clip (A), and connect the ground terminal (B).

    Tightening torque: 

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

    G13950597Courtesy of SUBARU OF AMERICA, INC.
  10. Install the electric oil pump. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>ELECTRIC FLUID PUMP>INSTALLATION .
  11. Install the transmission body. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>TRANSMISSION ASSEMBLY>INSTALLATION .
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