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Extension Case: Installation

  1. Clean the mating surface of extension case and transmission case.
  2. Select the transfer drive gear shim. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>Reduction Drive Gear>ADJUSTMENT .
  3. Select the transfer driven gear shim. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>Transfer Clutch>ADJUSTMENT .
  4. Attach the selected transfer drive gear shim to extension case with vaseline.
  5. Attach the selected transfer driven gear shim to extension case with vaseline.
  6. Install the O-ring to the transmission case.
    NOTE:
    • Use new O-rings.
    • Apply CVTF to the O-rings.
    G08317893Courtesy of SUBARU OF AMERICA, INC.
  7. Apply liquid gasket to extension case seamlessly.

    Liquid gasket: 

    THREE BOND 1215B or equivalent

    G08317895Courtesy of SUBARU OF AMERICA, INC.
  8. Install the extension case to transmission hanger.

    Tightening torque: 

    25 N.m (2.5kgf-m, 18.4ft-lb) 

    G10218696Courtesy of SUBARU OF AMERICA, INC.
  9. Install the transmission assembly. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>Automatic Transmission Assembly>INSTALLATION .