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Home >> Subaru >> 2015 >> WRX Limited, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Manual Transaxle & Differential (TY85) (STI)) >> Differential Side Retainer Oil Seal >> Replacement

Differential Side Retainer Oil Seal: Replacement

WARNING: This page is about a different variant/trim than selected.
  1. Lift up the vehicle.
  2. Remove the front exhaust pipe and center exhaust pipe. <Ref. to REMOVAL , Front Exhaust Pipe.>
  3. Drain transmission gear oil completely. <Ref. to REPLACEMENT , Transmission> Gear Oil.>
  4. Separate the front drive shaft from the transmission. <Ref. to REMOVAL , Front Drive Shaft.>
  5. Remove the differential side retainer oil seal by using a flat tip screwdriver or similar tools.
  6. Using the ST, install the differential side retainer oil seal by lightly tapping with a hammer.

    ST 18675AA000 DIFFERENTIAL SIDE OIL

    SEAL INSTALLER

  7. Apply transmission gear oil to the oil seal lips.
  8. Set the ST to the side retainer.

    ST 28399SA010 OIL SEAL PROTECTOR

  9. Install the front drive shaft into the transmission.
    NOTE: Replace the circlip of drive shaft with a new part.
  10. Install the front drive shaft into transmission, remove the ST and insert the drive shaft securely.

    ST 28399SA010 OIL SEAL PROTECTOR

  11. Install the front exhaust pipe and the center exhaust pipe. <Ref. to INSTALLATION , Front Exhaust Pipe.>
  12. Pour transmission gear oil to the bottom end of filler plug. <Ref. to REPLACEMENT , Transmission Gear Oil.>
  13. Lower the vehicle.
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