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Home >> Subaru >> 2006 >> Forester X, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> Extension Case Oil Seal >> Replacement

Extension Case Oil Seal: Replacement

  1. Clean the transmission exterior.
  2. Drain the ATF completely.
    NOTE: Tighten the drain plug (ATF) after draining the ATF.

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.1 ft-lb) 

    Fig 1: Identifying Drain Plug (ATF)
    G04994078Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the rear exhaust pipe and muffler. (Non-turbo model)

    <Ref. to REMOVAL Rear Exhaust Pipe. > <Ref. to REMOVAL Muffler. >

    (Turbo model)

    <Ref. to REMOVAL Rear Exhaust Pipe. > <Ref. to REMOVAL Muffler. >

  4. Remove the heat shield cover. (If equipped)
  5. Remove the propeller shaft. <Ref. to REMOVAL Propeller Shaft . >
  6. Using the ST, remove the oil seal.

    ST 398527700 PULLER ASSY

  7. Using the ST, install the oil seal.

    ST 498057300 INSTALLER

  8. Install the propeller shaft. <Ref. to INSTALLATION Propeller Shaft . >
  9. Install the heat shield cover. (If equipped)
  10. Install the rear exhaust pipe and muffler. (Non-turbo model)

    <Ref. to INSTALLATION Rear Exhaust Pipe. > <Ref. to INSTALLATION Muffler. >

    (Turbo model)

    <Ref. to INSTALLATION Rear Exhaust Pipe. > <Ref. to INSTALLATION Muffler. >

  11. Pour in ATF. <Ref. to AUTOMATIC TRANSMISSION FLUID . >
  12. Bleed the air of control valve. <Ref. to AIR BLEEDING OF CONTROL VALVE . >
  13. Check the level and leaks of the ATF. <Ref. to AUTOMATIC TRANSMISSION FLUID . >