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Home >> Subaru >> 2010 >> Impreza WRX STi >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Automatic Transmission) >> Front Vehicle Speed Sensor >> Removal

Front Vehicle Speed Sensor: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Set the vehicle on a lift.
  2. Disconnect the ground cable from battery.
  3. Remove the air intake chamber. (Non-turbo model) Ref. to REMOVAL in Air Intake Chamber.
  4. Remove the intercooler. (Turbo model)

    Ref. to REMOVAL in Intercooler.

  5. Disconnect the transmission harness connector.
    Fig 1: Identifying Transmission Harness Connector
    G06349262Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the pitching stopper. Ref. to REMOVAL  in Transmission Mounting System.
  7. Remove the transmission harness connector from stay.
  8. Lift up the vehicle.
  9. Clean the transmission exterior.
  10. 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.
  11. 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) 

    Fig 2: Identifying Drain Plug (ATF)
    G06349263Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the front, center and rear exhaust pipes and the muffler. (Non-turbo model)

    Ref. to REMOVAL in Front Exhaust Pipe. Ref. to REMOVAL in Center Exhaust Pipe. Ref. to REMOVAL in Rear Exhaust Pipe. Ref. to REMOVAL in Muffler.

  13. Remove the center and rear exhaust pipes and the muffler. (Turbo model) Ref. to REMOVAL in Center Exhaust Pipe. Ref. to REMOVAL in Rear Exhaust Pipe. Ref. to REMOVAL in Muffler.
  14. Remove the heat shield cover.
    Fig 3: Identifying Heat Shield Cover
    G05661183Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the propeller shaft. Ref. to REMOVAL in Propeller Shaft.
  16. Place the transmission jack under the transmission.
    NOTE: Make sure that the support plate of transmission jack does not touch the cross.
  17. Remove the transmission rear crossmember bolt.
    Fig 4: Locating Transmission Rear Crossmember Bolts
    G05002527Courtesy of SUBARU OF AMERICA, INC.
  18. Lower the transmission jack.
    NOTE: Do not separate the transmission jack and transmission.
  19. Remove the ATF inlet and outlet pipes.
    CAUTION: When removing the outlet pipe, be careful not to lose the ball and spring used together with the retaining screw.
  20. Remove the front vehicle speed sensor and torque converter turbine speed sensor.
    Fig 5: Identifying Front Vehicle Speed Sensor And Torque Converter Turbine Speed Sensor
    G06349266Courtesy of SUBARU OF AMERICA, INC.
  21. Disconnect the connector from the rear vehicle speed sensor.
    Fig 6: Identifying Rear Vehicle Speed Sensor
    G06349267Courtesy of SUBARU OF AMERICA, INC.
  22. Remove the oil pan.
    CAUTION: Be careful not to allow foreign matter such as dust or dirt to enter the oil pan.
  23. Disconnect the control valve connector and transmission ground terminal.
    Fig 7: Identifying Control Valve Connector And Transmission Ground Terminals
    G06349268Courtesy of SUBARU OF AMERICA, INC.
  24. Remove the transmission harness assembly.
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