FixVault

Differential Side Retainer Oil Seal: Replacement

CAUTION: If the differential oil is spilt over the exhaust pipe and under cover, completely wipe it off to avoid emission of smoke or causing a fire.
  1. Remove the center exhaust pipe (rear). Ref. to EXHAUST (H4DOTC)>CENTER EXHAUST PIPE>REMOVAL .
  2. Drain the differential gear oil by removing drain plug using TORX® bit T70.
    G13200021Courtesy of SUBARU OF AMERICA, INC.
  3. Using a new gasket, tighten the drain plug.

    Tightening torque: 

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

  4. Remove the front drive shaft. Ref. to PROPELLER SHAFT/DRIVE SHAFT/AXLE>FRONT DRIVE SHAFT>REMOVAL .
  5. Remove the differential side retainer oil seal using a flat tip screwdriver wrapped with vinyl tape, etc.
  6. Apply differential gear oil to the press-fitting surface of differential side retainer oil seal and the differential side retainer.
  7. Install the differential side retainer oil seal using ST by lightly tapping with a hammer.
    CAUTION: 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)

    G06654422Courtesy of SUBARU OF AMERICA, INC.
  8. Set the ST to the differential side retainer.

    Preparation tool: 

    ST: OIL SEAL PROTECTOR (28399SA010)

    G09481967Courtesy of SUBARU OF AMERICA, INC.
  9. Install the front drive shaft. Ref. to PROPELLER SHAFT/DRIVE SHAFT/AXLE>FRONT DRIVE SHAFT>INSTALLATION .
  10. Install the center exhaust pipe (rear). Ref. to EXHAUST (H4DOTC)>CENTER EXHAUST PIPE>INSTALLATION .
  11. Refill differential gear oil to adjust the differential gear oil amount. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>DIFFERENTIAL GEAR OIL>ADJUSTMENT .