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Home >> Subaru >> 2020 >> Forester Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> CVT Transaxle System >> Differential Side Retainer Oil Seal >> Replacement
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Differential Side Retainer Oil Seal: Replacement

  1. Disconnect the ground terminal from battery sensor. Refer to REPAIR CONTENTS>NOTE>BATTERY .
    NOTE: Perform this procedure only when removing the LH side.
  2. Drain differential gear oil. Refer to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>DIFFERENTIAL GEAR OIL>REPLACEMENT .
  3. Remove the front drive shaft. Refer to PROPELLER SHAFT/DRIVE SHAFT/AXLE>FRONT DRIVE SHAFT>REMOVAL .
  4. Remove the differential side retainer oil seal using a flat tip screwdriver wrapped with protection tape, etc.
    G13225670Courtesy of SUBARU OF AMERICA, INC.
  5. Install the new differential side retainer oil seal using the ST.
    NOTE:
    • Apply differential gear oil to the differential side retainer oil seal lip.
    • Since the differential side retainer oil seal has an identification mark (R or L), be careful not to mix up the RH and LH when installing.

    Preparation tool: 

    ST: DIFFERENTIAL SIDE OIL SEAL INSTALLER (18675AA000)

    G08317781Courtesy of SUBARU OF AMERICA, INC.
  6. Install the front drive shaft. Refer to PROPELLER SHAFT/DRIVE SHAFT/AXLE>FRONT DRIVE SHAFT>INSTALLATION .
  7. Fill differential gear oil. Refer to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>DIFFERENTIAL GEAR OIL>REPLACEMENT .
  8. Connect the ground terminal to battery sensor. Refer to REPAIR CONTENTS>NOTE>BATTERY .