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Home >> Subaru >> 2010 >> Impreza WRX STi >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Automatic Transmission) >> Control Valve Body >> Removal

Control Valve Body: Removal

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  1. Set the vehicle on a lift.
  2. Disconnect the ground cable from battery.
  3. Lift up the vehicle.
  4. Clean the transmission exterior.
  5. Remove the drain plug (ATF) to drain ATF.
    CAUTION: Directly after the vehicle has been running or the engine has been long idle running, the ATF is hot. Be careful not to burn yourself.
    Fig 1: Identifying Drain Plug (ATF)
    G05661726Courtesy of SUBARU OF AMERICA, INC.
  6. Perform replacement with a new gasket, and tighten the drain plug (ATF).

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.4 ft-lb) 

  7. Remove the oil pan.
    CAUTION: Be careful not to allow foreign matter such as dust or dirt to enter the oil pan.
    Fig 2: Identifying Oil Pan Bolts
    G05661734Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the magnet.
  9. Clean the magnet.
  10. Completely remove the remaining liquid gasket on the transmission case and oil pan.
  11. Disconnect the control valve connector.
    Fig 3: Identifying Control Valve Connector
    G05956018Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the oil cooler pipe.
    Fig 4: Identifying Oil Cooler Pipe
    G05002548Courtesy of SUBARU OF AMERICA, INC.
  13. Remove the control valve body.
NOTE: The control valve body is replaced as an assembly only, because it is a non-disassembly part.
Fig 5: Identifying Control Valve Body
G05956020Courtesy of SUBARU OF AMERICA, INC.