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Transmission Case: Installation

WARNING: This page is about a different car, the 2021 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
  1. Clean the mating surface of transmission case and converter case.
  2. Select the reduction gear shim. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>REDUCTION DRIVE GEAR>ADJUSTMENT .
  3. Remove the transmission case, and install the selected reduction gear shim to the reduction drive gear.
  4. Install the O-rings to the reverse clutch housing and drive pinion retainer.
    NOTE:
    • Use new O-rings.
    • Apply CVTF to the O-rings.
    G08317958Courtesy of SUBARU OF AMERICA, INC.
  5. Install the seal ring to the transmission case.
    NOTE:
    • Use new seal rings.
    • When installing the seal rings, do not expand the seal rings too much.
    • Apply CVTF to the seal rings.
    G11255812Courtesy of SUBARU OF AMERICA, INC.
  6. Cover the secondary pulley with the oil baffle, and temporarily install it with bolts.
    G10218767Courtesy of SUBARU OF AMERICA, INC.
  7. Apply liquid gasket seamlessly to the mating surface of transmission case.

    Liquid gasket: 

    THREE BOND 1215B or equivalent

    G08317963Courtesy of SUBARU OF AMERICA, INC.
  8. Install the transmission case.
    NOTE: The total number of transmission case mounting bolts is 15.

    Tightening torque: 

    22 N.m (2.2 kgf-m, 16.2 ft-lb)

  9. Install the oil cooler pipe.
    NOTE: Use new O-rings.

    Tightening torque: 

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

    G08317956Courtesy of SUBARU OF AMERICA, INC.
  10. Install the oil baffle securing bolt.

    Tightening torque: 

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

    G12476310Courtesy of SUBARU OF AMERICA, INC.
  11. Install the transmission control device. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>TRANSMISSION CONTROL DEVICE>INSTALLATION .
  12. Install the oil pan and oil strainer. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>OIL PAN AND STRAINER>INSTALLATION .
  13. Install the reduction driven gear assembly. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>REDUCTION DRIVEN GEAR>INSTALLATION .
  14. Install the parking pawl. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>PARKING PAWL>INSTALLATION .
  15. Install the transfer driven gear assembly. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>TRANSFER DRIVEN GEAR>INSTALLATION .
  16. Install the transfer clutch assembly. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>TRANSFER CLUTCH>INSTALLATION .
  17. Install the extension case. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>EXTENSION CASE>INSTALLATION .
  18. Install the inhibitor switch. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>INHIBITOR SWITCH>INSTALLATION .
  19. Install the secondary speed sensor. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>SECONDARY SPEED SENSOR>INSTALLATION .
  20. Install the primary speed sensor. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>PRIMARY SPEED SENSOR>INSTALLATION .
  21. Install the turbine speed sensor. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>TURBINE SPEED SENSOR>INSTALLATION .
  22. Install the transmission harness. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>TRANSMISSION HARNESS>INSTALLATION .
  23. Install the control valve body. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>CONTROL VALVE BODY>INSTALLATION .
  24. Install the air breather hose. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>AIR BREATHER HOSE>INSTALLATION .
  25. Install the transmission assembly to the vehicle. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>AUTOMATIC TRANSMISSION ASSEMBLY>INSTALLATION .
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