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Home >> Hyundai >> 2016 >> Sonata Hybrid >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle Control System (HEV) >> Line Pressure Control Solenoid Valve >> Repair Procedures >> Removal

Repair Procedures: Removal

CAUTION:
  • When the solenoid valve failure code (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. Remove the HPCU.

    (Refer to "HPCU ")

  2. Remove the under cover.

    (Refer to "ENGINE ROOM UNDER COVER ")

  3. Drain the engine coolant.

    (Refer to "COOLANT ")

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

    Tightening torque: 

    38.2 - 48.1 N.m (3.9 - 4.9 kgf.m, 28.2 - 35.4 lb-ft)

    Fig 1: Locating Drain Plug
    G12061115Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • Replace the gasket before reinstalling the drain plug.
  5. Remove the cooling hose (A), (B) after removing the clamp.
  6. Remove the ATF Warmer.

    (Refer to "ATF WARMER ")

    Fig 2: Locating Cooling Hose
    G12061116Courtesy 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.
  7. Remove the eyebolts (A) and mounting bolt (B).
  8. Remove the transaxle cooling tube (C).

    Tightening torque: 

    42.2 - 48.1N.m (4.3 - 4.9 kgf.m, 31.1 - 35.4 lb-ft)

    Fig 3: Locating Transaxle Cooling Tube, Eyebolts And Mounting Bolt
    G12061117Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • Replace the gasket before reinstalling the transaxle cooling tube.
    • 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.
  9. Remove the air bleeder hose (B) after removing the clamp (A).
    Fig 4: Locating Air Bleeder Hose And Clamp
    G12061118Courtesy of HYUNDAI MOTOR AMERICA
  10. Remove the valve body cover (A).

    Tightening torque: 

    13.7 - 15.7 N.m (1.4 - 1.6 kgf.m, 10.1 - 11.6 lb-ft)

    Fig 5: Locating Valve Body Cover
    G12061119Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • When re-mounting the valve body cover, replace the gasket (A) with a new one.
    • After mounting the valve body cover, check for oil leakage on the connecting part while the engine is on.
    Fig 6: Locating Valve Body Cover Gasket
    G12061120Courtesy of HYUNDAI MOTOR AMERICA
  11. Disconnect the solenoid valve connector (B) and the oil temperature sensor (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)

    Fig 7: Locating Oil Temperature Sensor And Solenoid Valve Connector
    G12061121Courtesy of HYUNDAI MOTOR AMERICA
  12. Remove the solenoid valve support bracket (A).

    Tightening torque: 

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

    Fig 8: Locating Solenoid Valve Support Bracket
    G12061122Courtesy of HYUNDAI MOTOR AMERICA
  13. Remove the Line pressure control solenoid valve (A).
Fig 9: Locating Line Pressure Control Solenoid Valve
G12061123Courtesy of HYUNDAI MOTOR AMERICA