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Home >> Hyundai >> 2012 >> Sonata 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 " )

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

    (Refer to "HYBRID CONTROL SYSTEM " )

  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: Identifying Under Cover
    G07317882Courtesy of HYUNDAI MOTOR CO.
  4. Replace new gasket and the plug after draining the automatic transaxle fluid by removing the drain plug.

    (Refer to "AUTOMATIC TRANSAXLE HYDRAULIC SYSTEM " )

  5. Remove the ATF warmer.

    (Refer to "AUTOMATIC TRANSAXLE HYDRAULIC SYSTEM " )

  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: Identifying AT Tube And Eye Bolt
    G07317883Courtesy of HYUNDAI MOTOR CO.
  7. Remove the valve body cover (A) and breather hose clip (B).

    Tightening torque: 

    (A) 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: Identifying Valve Body Cover And Breather Hose Clip
    G07317884Courtesy of HYUNDAI MOTOR CO.
  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: Identifying Solenoid Valve Connector And Oil Temperature Sensor Connector
    G07317885Courtesy of HYUNDAI MOTOR CO.
  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: Identifying Valve Body Assembly
    G07317886Courtesy of HYUNDAI MOTOR CO.
  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: Identifying Output Speed Sensor Connector And Speed Sensor
    G07317887Courtesy of HYUNDAI MOTOR CO.