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Home >> Hyundai >> 2021 >> Accent Limited >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Program (Esp) System >> ESP Control Unit >> Repair Procedures >> Removal
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Repair Procedures: Removal

  1. Turn the ignition switch OFF and then disconnect the negative (-) battery cable.
  2. Pull up the lock of the HECU connector, then disconnect the connector.
    G14078050Courtesy of HYUNDAI MOTOR AMERICA
  3. Remove the brake fluid from the master cylinder reservoir with a syringe.
    NOTE:
    • Be sure to completely remove foreign substances from around brake fluid reservoir and cap before opening the reservoir cap. If not, it may cause contamination of brake fluid and deterioration in braking performance.
    • Do not spill brake fluid on the vehicle, it may damage the paint; if brake fluid does contact the paint, wash it off immediately with water.
  4. Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner.

    Tightening torque: 

    13.7 - 16.7 N.m (1.4 - 1.7 kgf.m, 10.1 - 12.3 lb-ft)

    G14078051Courtesy of HYUNDAI MOTOR AMERICA

    Tightening torque: 

    18.6 - 22.6 N.m (1.9 - 2.3 kgf.m, 13.7 - 16.6 lb-ft)

    G14078052Courtesy of HYUNDAI MOTOR AMERICA
  5. Loosen the HECU bracket bolts (A), then remove HECU and bracket.

    Tightening torque: 

    16.7 - 25.5 N.m (1.7 - 2.6 kgf.m, 12.3 - 18.8 lb-ft)

    G14078053Courtesy of HYUNDAI MOTOR AMERICA
  6. Remove the 3 bolts, then remove the bracket from HECU.

    Tightening torque: 

    7.8 - 9.8 N.m (0.8 - 1.0 kgf.m, 5.8 - 7.2 lb-ft)