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Home >> Hyundai >> 2018 >> Sonata Limited 2.0T >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle Control System - 2.0L (Except HEV) >> Speed Sensor >> Repair Procedures >> Removal

Repair Procedures: Removal

CAUTION:
  • When the solenoid valve 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 under cover.

    (Refer to Engine Mechanical System - "ENGINE ROOM UNDER COVER ")

  3. Remove the drain plug (A) and reinstall the drain plug after draining ATF totally.

    Drain plug tightening torque 

    33.3 - 43.1 N.m (3.4 - 4.4 kgf.m, 24.6 - 31.8 lb-ft)

    G12639459Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • Replace the gasket before reinstalling the drain plug.
  4. Remove the battery and battery tray.

    (Refer to Engine Electrical System - "BATTERY ")

  5. Remove the fixing bolt (A) of wiring.

    Tightening torque 

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

    G12639460Courtesy of HYUNDAI MOTOR AMERICA
  6. Remove the fixing bolt (A) of wiring.

    Tightening torque 

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

    G12639461Courtesy of HYUNDAI MOTOR AMERICA
  7. Disconnect the ATF cooling hose (A).
    G12639462Courtesy 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. Remove upper bolts (A) of the valve body cover.

    Tightening torque 

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

    G12639463Courtesy of HYUNDAI MOTOR AMERICA
  9. Remove the valve body cover (A) after removing the bolts.

    Tightening torque 

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

    G12639464Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • Replace the gasket (A) before reinstalling the valve body cover.
    • After the installation, start the engine and then check if there are any leakages from the valve body cover.
      G12639465Courtesy of HYUNDAI MOTOR AMERICA
  10. Disconnect the main harness (A) after removing the bolts.

    Tightening torque 

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

    G12639466Courtesy of HYUNDAI MOTOR AMERICA
  11. Remove the valve body assembly (A).

    Tightening torque 

    1. 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
    G12639467Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • Attach the manual pin (B) to the detent lever (A) and assemble the valve body.
      G12639468Courtesy of HYUNDAI MOTOR AMERICA
  12. Disconnect the speed sensor connector (A).
  13. Remove the speed sensor (B).

    Tightening torque 

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

    G12639469Courtesy of HYUNDAI MOTOR AMERICA
    G12639470Courtesy of HYUNDAI MOTOR AMERICA
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