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Differential Side Retainer Oil Seal: Replacement

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lift up the vehicle.
  2. Remove the center exhaust pipe.
    • Non-turbo model

      < Ref. to REMOVAL , Center Exhaust Pipe. >

    • Turbo model

      < Ref. to REMOVAL , Center Exhaust Pipe. >

  3. Remove the differential gear oil drain plug using TORX® bit T70, and then drain differential gear oil.
    CAUTION:
    • The differential gear oil will be extremely hot after driving. Be careful not to receive burns.
    • Be careful not to spill the differential gear oil on exhaust pipe to prevent it from emitting smoke or causing fires. If differential gear oil is spilled on the exhaust pipe, wipe it off completely.
      Fig 1: Oil Pan And Differential Gear Oil Drain Plug
      G07665507Courtesy of SUBARU OF AMERICA, INC.
  4. Tighten the differential gear oil drain plug.
    NOTE: Use a new gasket.

    Tightening torque: 

    Aluminum gasket (silver) 

    44 N.m (4.5 kgf-m, 32.5 ft-lb) 

    Copper gasket (brown) 

    70 N.m (7.1 kgf-m, 51.6 ft-lb) 

    Metal gasket (black) 

    70 N.m (7.1 kgf-m, 51.6 ft-lb) 

  5. Separate the front drive shaft from the transmission. < Ref. to REMOVAL , Front Drive Shaft. >
  6. Remove the differential side retainer oil seal using a screwdriver wrapped with vinyl tape etc.
  7. Using the ST, install the differential side retainer oil seal by lightly tapping with a plastic hammer.
    CAUTION: Apply differential gear oil to the oil seal lips, and install the oil seal while being careful not to deform the lip.
    NOTE: Use a new oil seal.

    ST 18675AA000 DIFFERENTIAL SIDE OIL SEAL INSTALLER

    Fig 2: Installing Differential Side Retainer Oil Seal Using ST
    G07665508Courtesy of SUBARU OF AMERICA, INC.
  8. Using the ST, install the front drive shaft. < Ref. to INSTALLATION , Front Drive Shaft. >

    ST 28399SA010 OIL SEAL PROTECTOR

  9. Install the center exhaust pipe.
    • Non-turbo model

      < Ref. to INSTALLATION , Center Exhaust Pipe. >

    • Turbo model

      < Ref. to INSTALLATION , Center Exhaust Pipe. >

  10. Lower the vehicle.
  11. Fill with differential gear oil through the oil level gauge hole. < Ref. to DIFFERENTIAL GEAR OIL . >
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