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Home >> Hyundai >> 2017 >> Elantra Value Edition >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle Control System - 2.0L >> Input Speed Sensor >> Repair Procedures >> Removal
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Repair Procedures: Removal

CAUTION:
  • When Diagnostic Trouble Codes (DTC) is on, perform the following procedure to replace it.
  • Automatic transaxle is composed of delicate components. Be careful not to cause any damage on the component in the course of assembly and disassembly.
  • Maintain clean condition so that foreign substance does not get into the automatic transaxle.
  • Use a coated apron, latex gloves, and stainless tray to prevent foreign substance from getting into the transaxle.
  • Automatic transaxle fluid (ATF) can be reused. Collect it using a clean 10-liter beaker.
  1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
  2. Remove the air cleaner assembly and air duct.

    (Refer to Engine Mechanical System - "AIR CLEANER ")

  3. Remove the battery and battery tray.

    (Refer to Engine Electrical System - "BATTERY ")

  4. Remove the drain plug (A) and drain the ATF totally and then reinstall the drain plug.
    Fig 1: Removing Drain Plug
    G12025232Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • Replace the gasket before reinstalling the drain plug.
    • After the installation, start the engine and then check if there are any leakages from the drain plug.
  5. Remove the wiring mounting clip (A).
  6. Disconnect the air breather hose (B) from the valve body cover.

    Tightening torque: 

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

    Fig 2: Locating Wiring Mounting Clip And Air Breather Hose
    G12025233Courtesy of HYUNDAI MOTOR AMERICA
  7. Disconnect the hoses (A) after removing the automatic transaxle fluid cooler hose clamps.
    Fig 3: Disconnecting Hoses
    G12025234Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • Carefully install the clamp not to damage the hose.
    • Install the clamp in a correct direction not to be interfered with other parts.
    • After the installation, start the engine and then check if there are any leakages from the hose.
  8. Disconnect the ATF warmer hoses (A).
  9. Remove the mounting bolt of the heater pipe.
    Fig 4: Locating Heater Pipe Mounting Bolt And ATF Warmer Hoses
    G12025235Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • Carefully install the clamp not to damage the hose.
    • Install the clamp in a correct direction not to be interfered with other parts.
    • After the installation, start the engine and then check if there are any leakages from the hose.
  10. Remove the valve body cover (A).

    Tightening torque: 

    11.8 ~ 13.7 N.m (1.2 ~ 1.4 kgf.m, 8.7 ~ 10.1 lb-ft)

    Fig 5: Removing Valve Body Cover (1 Of 2)
    G12025236Courtesy of HYUNDAI MOTOR AMERICA
    Fig 6: Removing Valve Body Cover (2 Of 2)
    G12025237Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • Replace the gasket (A) before reinstalling the valve body cover.
      Fig 7: Replacing Gasket
      G12025238Courtesy of HYUNDAI MOTOR AMERICA
    • After the installation, start the engine and then check if there are any leakages from the valve body cover.
  11. Disconnect the oil temperature sensor and solenoid valve connector (A) from the valve body.

    Tightening torque: 

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

    Fig 8: Disconnecting Oil Temperature Sensor And Solenoid Valve Connector From Valve Body
    G12025239Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • Check for the looseness, poor connection, bending, corrosion, contamination, deterioration, or damage before reinstalling the solenoid valve connector.
  12. 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 9: Removing Valve Body Assembly
    G12025240Courtesy of HYUNDAI MOTOR AMERICA
  13. Disconnect the input & output speed sensor connector (A).
    Fig 10: Disconnecting Input And Output Speed Sensor Connector
    G12025241Courtesy of HYUNDAI MOTOR AMERICA
  14. Remove the input & output speed sensor (A) after removing the bolts (2 ea).

    Tightening torque: 

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

    Fig 11: Removing Input And Output Speed Sensor
    G12025242Courtesy of HYUNDAI MOTOR AMERICA