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Extension Case Oil Seal: Replacement

WARNING: This page is about a different car, the 2021 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
  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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