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HOMESERVICE MANUALSHYUNDAI2017SANTA FE SE, FWDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLELECTRONIC STABILITY CONTROL (ESC) SYSTEMESC CONTROL MODULEREPAIR PROCEDURESREMOVAL
2017 Hyundai Santa Fe SE, FWD

Repair Procedures: Removal

2017 Hyundai Santa Fe SE, FWDSECTION 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. Remove the surge tank.

    (Refer to "SURGE TANK ")

  4. Pull up the lock of the HECU connector (A) and then disconnect the connector.
    G12033342Courtesy 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)

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

    G12033343Courtesy of HYUNDAI MOTOR AMERICA
  6. Loosen the HECU bracket nuts (A) and 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)

    G12033344Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    1. Never attempt to disassemble the HECU.
    2. Never shock the HECU.
  7. 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)

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.