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Home >> Subaru >> 2004 >> Outback Base, 4D Sedan >> 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 ATF drain plug after draining the ATF.
    1. Tightening torque: 25 N.m (2.5 kgf.m, 18.1 ft.lb) 
    Fig 1: Tightening ATF Drain Plug
    G00917493Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the rear exhaust pipe and muffler.

    Except 2.5 L U5 model

    Refer to REMOVAL , Rear Exhaust Pipe and REMOVAL , Muffler.

    2.5 L U5 model

    Refer to REMOVAL , Rear Exhaust Pipe and REMOVAL , Muffler.

    3.0 L model

    Refer to REMOVAL , Rear Exhaust Pipe and REMOVAL , Muffler.

    TURBO model

    Refer to REMOVAL , Rear Exhaust Pipe and REMOVAL , Muffler.

  4. Remove the heat shield cover. (If equipped)
  5. Remove the propeller shaft. .
  6. Using the ST, remove the oil seal.
    1. ST 398527700 PULLER ASSY
  7. Using the ST, install the oil seal.
    1. ST 498057300 INSTALLER
  8. Install the propeller shaft. .
  9. Install the heat shield cover. (If equipped)
  10. Install the rear exhaust pipe and muffler.

    Except 2.5 L U5 model

    Refer to INSTALLATION , Rear Exhaust Pipe and INSTALLATION , Muffler.

    2.5 L U5 model

    Refer to INSTALLATION , Rear Exhaust Pipe and INSTALLATION , Muffler.

    3.0 L model

    Refer to INSTALLATION , Rear Exhaust Pipe and INSTALLATION , Muffler.

    TURBO model

    Refer to INSTALLATION , Rear Exhaust Pipe and INSTALLATION , Muffler.

  11. Pour ATF and check the ATF level. Refer to AUTOMATIC TRANSMISSION FLUID .