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Home >> Subaru >> 2021 >> Ascent Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> CVT Transaxle System >> Extension Case Oil Seal >> Replacement
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Extension Case Oil Seal: Replacement

  1. Release the parking brake.
  2. Release the shift lock using a screwdriver, etc. and shift the select lever to the "N range".
    G13199468Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the propeller shaft. Ref. to PROPELLER SHAFT/DRIVE SHAFT/AXLE>Propeller Shaft>REMOVAL .
  4. Remove the center exhaust pipe (rear). Ref. to EXHAUST (H4DOTC)>Center Exhaust Pipe>REMOVAL>CENTER EXHAUST PIPE (REAR) .
  5. Remove the extension case oil seal using a flat tip screwdriver wrapped with protection tape, etc.
    G13592011Courtesy of SUBARU OF AMERICA, INC.
  6. Using the ST, install a new extension case oil seal.
    NOTE: Apply CVTF to the oil seal lip and peripheral surface.

    Preparation tool: 

    ST: INSTALLER (498057300)

    G13225669Courtesy of SUBARU OF AMERICA, INC.
  7. Install the center exhaust pipe (rear). Ref. to EXHAUST (H4DOTC)>Center Exhaust Pipe>INSTALLATION>CENTER EXHAUST PIPE (REAR) .
  8. Install the propeller shaft. Ref. to PROPELLER SHAFT/DRIVE SHAFT/AXLE>Propeller Shaft>INSTALLATION .
  9. Shift the select lever to "P range".
  10. Apply the parking brake.
  11. Check the CVTF level. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>CVTF>INSPECTION .
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