LEMON Manuals: Even more car manuals for everyone
Home >> Hyundai >> 2018 >> Ioniq Plug-In Hybrid >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Active Hydraulic Boost (AHB) System (PHEV) >> Brake Actuation Unit >> Repair Procedures >> Removal

Repair Procedures: Removal

  1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
  2. Disconnector TCM connector (A).
  3. Disconnector TCM connector (B).
    G12729475Courtesy of HYUNDAI MOTOR AMERICA
  4. Loosen the bolt & nut (A) then remove the ECM, TCM with bracket (B).
    G12729476Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove the air cleaner.

    (Refer to "AIR CLEANER ")

  6. Remove the brake fluid from the reservoir with a syringe.
    NOTE:
    • 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.
    • To prevent any dust entering in the reservoir, the reservoir cap should be closed again after removing brake fluid.
  7. Disconnect the brake hose from the reservoir.
    G12729477Courtesy of HYUNDAI MOTOR AMERICA
  8. Disconnect the brake fluid level switch connector (A).
    G12729478Courtesy of HYUNDAI MOTOR AMERICA
  9. Disconnect IBAU connector.
    G12729479Courtesy of HYUNDAI MOTOR AMERICA
  10. Disconnect the brake tube from the IBAU (Intergrated Brake Actuation Unit) by loosening the tube flare nut.

    Tighten torque: 

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

    G12729480Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • Before removing the brake tube, high pressure in an accumulator of PSU should be reduced for safety by conducting "High pressure release mode" of GDS connected.
  11. Disconnect the brake tube from the IBAU (Intergrated Brake Actuation Unit) by loosening the tube flare nut.

    Tighten torque: 

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

    G12729481Courtesy of HYUNDAI MOTOR AMERICA
  12. Remove the rear brake tube.
    G12729482Courtesy of HYUNDAI MOTOR AMERICA
  13. Remove the snap pin (A) and clevis pin (B).
    G12729483Courtesy of HYUNDAI MOTOR AMERICA
  14. Remove the mounting nuts (A) and then remove the brake pedal.

    Tightening torque: 

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

    G12729484Courtesy of HYUNDAI MOTOR AMERICA