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Differential Side Retainer Oil Seal: Replacement

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lift up the vehicle.
  2. Using the TORX® bit T70, remove the drain plug, and drain the transmission gear oil completely.
    Fig 1: Identifying Transmission Gear Oil Drain Plug
    G05332645Courtesy of SUBARU OF AMERICA, INC.
  3. Tighten the drain plug using TORX® bit T70.
    NOTE: Use a new gasket.

    Tightening torque: 

    44 N.m (4.5 kgf-m, 32.5 ft-lb) (Aluminum gasket silver) 

    70 N.m (7.1 kgf-m, 51.6 ft-lb) (Copper gasket brown) 

    70 N.m (7.1 kgf-m, 51.6 ft-lb) (Metal gasket black) 

    Fig 2: Identifying Transmission Gear Oil Drain Plug
    G05332645Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the front and center exhaust pipes. < Refer to REMOVAL , Front Exhaust Pipe. > < Refer to REMOVAL , Center Exhaust Pipe. >
  5. Separate the front drive shaft from the transmission. < Refer to REMOVAL , Front Drive Shaft. >
  6. Remove the differential side retainer oil seal.
    NOTE:
    • Be sure to replace the differential side retainer oil seal whenever the front drive shaft is removed from the transmission.
    • Use the ST 398527700 PULLER ASSY to remove the oil seal. If removing the oil seal with a flat tip screwdriver, be careful not to scratch the differential side retainer.
  7. Using the ST, install the differential side retainer oil seal by lightly tapping with a plastic hammer.
    CAUTION: Apply transmission gear oil to the oil seal lips, and install the oil seal while being careful not to deform the lip.

    ST 18675AA000 DIFFERENTIAL SIDE OIL SEAL INSTALLER

    Fig 3: Replacing Differential Side Retainer Oil Seal
    G05002972Courtesy of SUBARU OF AMERICA, INC.
  8. Install the front drive shaft. < Refer to INSTALLATION , Front Drive Shaft. >

    ST 28399SA010 OIL SEAL PROTECTOR

  9. Install the front and center exhaust pipe. < Refer to INSTALLATION , Front Exhaust Pipe. > < Refer to INSTALLATION , Center Exhaust Pipe. >
  10. Lower the vehicle.
  11. Add the transmission gear oil through the oil level gauge hole. < Refer to REPLACEMENT , Transmission Gear Oil. >