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Extension Case Oil Seal: Replacement

WARNING: This page is about a different variant/trim than selected.
CAUTION: Immediately after the vehicle has been running or after idling for a long time, the CVTF will be hot. Be careful not to burn yourself.
  1. Lift up the vehicle.
  2. Remove the center exhaust pipe (rear). Refer to EXHAUST (EXCEPT FOR STI)>CENTER EXHAUST PIPE>REMOVAL .
  3. Remove the center exhaust cover.
    G12448281Courtesy of SUBARU OF AMERICA, INC.
  4. Clean the transmission exterior.
  5. Remove the propeller shaft. Refer to DRIVE SHAFT SYSTEM>PROPELLER SHAFT>REMOVAL .
  6. Using a screwdriver or ST, remove the oil seal trying not to damage the extension case.
    ST 398527700 PULLER ASSY
  7. Using the ST, install the oil seal.
    NOTE:
    • Use a new oil seal.
    • Apply CVTF to the oil seal lip and press-fitting surface.
    ST 498057300 INSTALLER
  8. Install the propeller shaft. Refer to DRIVE SHAFT SYSTEM>PROPELLER SHAFT>INSTALLATION .
  9. Install the center exhaust cover.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb)

    G12448281Courtesy of SUBARU OF AMERICA, INC.
  10. Install the center exhaust pipe (rear). Refer to EXHAUST (EXCEPT FOR STI)>CENTER EXHAUST PIPE>INSTALLATION .
  11. Adjust the CVTF level and check there is no leakage. Refer to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>CVTF>ADJUSTMENT .
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