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Home >> Hyundai >> 2017 >> Tucson Value, FWD >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Electronic Stability Control (ESC) System >> ESC Control Module >> Repair Procedures >> Removal
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Repair Procedures: Removal

  1. Turn the ignition switch OFF.
  2. 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.
  3. Pull up the lock of the HECU connector (A) and then disconnect the connector.
    Fig 1: Pulling Up Lock Of HECU Connector
    G12041567Courtesy of HYUNDAI MOTOR AMERICA
  4. Loosen the HECU bracket bolts (A) & nut (B) and then remove HECU and bracket.

    Tightening torque 

    Mounting bolts:

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

    Mounting nut:

    24.5 ~29.4 N.m (2.5 ~3.0 kgf.m, 18.1 ~21.7 lb-ft)

    Fig 2: Loosening HECU Bracket Bolts And Nut
    G12041568Courtesy of HYUNDAI MOTOR AMERICA
  5. Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner.

    Tightening torque 

    A: 12.7 ~ 16.7 N.m (1.3 ~ 1.7 kgf.m, 9.4 ~ 12.3 lb-ft)

    Fig 3: Disconnecting Brake Tubes From HECU
    G12041569Courtesy of HYUNDAI MOTOR AMERICA

    Tightening torque: 

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

    Fig 4: Disconnecting Brake Tubes From HECU
    G12041570Courtesy of HYUNDAI MOTOR AMERICA
  6. Remove the bolts and then remove the bracket from HECU.

Tightening torque: 

10.8 ~ 13.7 N.m (1.1 ~ 1.4 kgf.m, 8.0 ~ 10.1 lb-ft)

Fig 5: Removing Bracket From HECU
G12041571Courtesy of HYUNDAI MOTOR AMERICA
NOTE:
  1. Never attempt to disassemble the HECU.
  2. Never shock the HECU.