2021 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE

Intermediate Case: Installation

  1. Clean the mating surface of intermediate case and transmission case.
  2. Face the O-ring side of the CVTF filter to the intermediate case side, and install the CVTF filter.
    CAUTION:
    • Apply sufficient amount of CVTF to the O-rings in order to avoid damage and deformation.
    • Use SUBARU genuine CVTF.
    G09482109Courtesy of SUBARU OF AMERICA, INC.
  3. Install a new O-ring to the transmission case.
    CAUTION:
    • Before installing O-rings, apply sufficient amount of CVTF to avoid damage and deformation.
    • Use SUBARU genuine CVTF.
    • Be careful not to incorrectly install or fail to install O-rings and other such parts.
  4. Apply liquid gasket to intermediate case mating surface seamlessly, and temporarily install it.

    Liquid gasket: 

    THREE BOND 1215B or equivalent

    G12452382Courtesy of SUBARU OF AMERICA, INC.
  5. Install the transmission hanger, and tighten the intermediate case mounting bolts.

    Tightening torque: 

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

    G13200157Courtesy of SUBARU OF AMERICA, INC.
  6. Install the transfer reduction driven gear. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Transfer Reduction Driven Gear>INSTALLATION .
  7. Install the transfer clutch. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Transfer Clutch>INSTALLATION .
  8. Install the rear drive shaft. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Rear Drive Shaft>INSTALLATION .
  9. Install the parking pawl. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Parking Pawl>INSTALLATION .
  10. Install the extension case. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Extension Case>INSTALLATION .
  11. Install the transmission body. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Transmission Assembly>INSTALLATION .
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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.