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Home >> Kia >> 2012 >> Optima Hybrid >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle Control System - HEV >> Input Speed Sensor >> Repair procedures >> Removal
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Repair procedures: Removal

  1. Air cleaner assembly and air duct.

    (Refer to "Intake and Exhaust system" in EM group)

  2. Remove the Hybrid Power Control Unit (HPCU) assembly.

    (Refer to "HYBRID CONTROL SYSTEM " in HC group)

  3. Remove the under cover (A).

    Tightening torque: 

    7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

    Fig 1: Locating Under Cover
    G08308091Courtesy of KIA MOTORS AMERICA, INC.
  4. Replace new gasket and the plug after draining the automatic transaxle fluid by removing the drain plug.

    (Refer to "AUTOMATIC TRANSAXLE " in this group)

  5. Remove the ATF warmer.

    (Refer to "ATF WARMER " in this group)

  6. Remove the AT tube (A) after removing eye bolt (B).

    Tightening torque: 

    42 ~ 48 N.m (4.3 ~ 4.9 kgf.m, 31.1 ~ 31.4 lb-ft)

    Fig 2: Locating AT Tube And Eye Bolts
    G08308092Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the valve body cover (A) and breather hose clip (B).

    Tightening torque: 

    1. 13.8 ~ 15.7 N.m (1.4 ~ 1.6 kgf.m, 10.1 ~ 11.6 lb-ft)
    NOTE: Remove installation bolts in the engine room first and then remove others under the vehicle.
    Fig 3: Locating Valve Body Cover And Breather Hose Clip
    G08308093Courtesy of KIA MOTORS AMERICA, INC.
  8. Remove the bolt (3ea) after disconnecting the solenoid valve connector (B) and the oil temperature sensor connector (A).

    Tightening torque: 

    9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

    Fig 4: Locating Solenoid Valve Connector And Oil Temperature Sensor Connector
    G08308094Courtesy of KIA MOTORS AMERICA, INC.
  9. Remove the valve body assembly (A).

    Tightening torque: 

    9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

    Fig 5: Locating Valve Body Assembly
    G08308095Courtesy of KIA MOTORS AMERICA, INC.
  10. Disconnect the input&output speed sensor connector (A).
  11. Remove the input&output speed sensor (B) after removing the bolts (2ea).

    Tightening torque: 

    9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Fig 6: Locating Input&Output Speed Sensor And Connector
G08308096Courtesy of KIA MOTORS AMERICA, INC.