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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)) >> Oil Seal >> Replacement

Oil Seal: Replacement

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  1. Clean the transmission exterior.
  2. Drain transmission gear oil completely. <Ref. to REPLACEMENT , Transmission Gear Oil.>
  3. Remove the rear exhaust pipe and muffler. <Ref. to REMOVAL , Rear Exhaust Pipe.> <Ref. to REMOVAL , Muffler.>
  4. Remove the heat shield cover.
  5. Remove the propeller shaft. <Ref. to REMOVAL , Propeller Shaft.>
  6. Using the ST, remove the oil seal.

    ST 398527700 PULLER ASSY

    Fig 1: Removing Oil Seal
    G10268963Courtesy of SUBARU OF AMERICA, INC.
  7. Using the ST, install the oil seal.
    NOTE:
    • When grease is not applied to the oil seal lips, apply the transmission gear oil to the oil seal lips.
    • Use a new oil seal.

    ST 498057300 INSTALLER

    Fig 2: Installing Oil Seal
    G05002987Courtesy of SUBARU OF AMERICA, INC.
  8. Install the propeller shaft. <Ref. to INSTALLATION , Propeller Shaft.>
  9. Install the heat shield cover.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb) 

  10. Install the rear exhaust pipe and muffler. <Ref. to INSTALLATION , Rear Exhaust Pipe.> <Ref. to INSTALLATION , Muffler.>
  11. Pour in transmission gear oil and check the oil level. <Ref. to REPLACEMENT , Transmission Gear Oil.>
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