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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Integrated Electronic Brake (IEB) System (PHEV) >> Integrated Electronic Booster (IEB) >> Repair Procedures >> Removal

Repair Procedures: Removal

  1. Disconnect the (-) battery terminal.

    (Refer to Engine Electrical System - "AUXILIARY BATTERY ")

  2. Open the reservoir cap and then drain the brake fluid from the reservoir tank using tools like a brake fluid syringe.
    NOTE: Make sure no dirt or other foreign matter is allowed to contaminate the brake fluid when opening the reservoir cap.
    WARNING: Be careful not to spill brake fluid onto the vehicle or body. If brake fluid leaks, remove with a clean cloth as soon as possible.
  3. Remove the Engine Control Module (ECM).

    (Refer to Engine Control/Fuel System - "ENGINE CONTROL MODULE (ECM) ")

  4. Disconnect the inverter power cable (A) after removing the bolt and fastener.

    Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb.ft)

    G00629109Courtesy of KIA MOTORS AMERICA, INC.
  5. Disconnect the degassing hose (A) from the reservoir tank.

    Tightening torque 

    G14939823Courtesy of KIA MOTORS AMERICA, INC.
  6. Separate the reservoir tank (A) after removing the bolt and nut.

    Tightening torque : Bolt : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb.ft). Nut : 8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb.ft)

    G00629110Courtesy of KIA MOTORS AMERICA, INC.
  7. Disconnect the brake fluid level sensor connector (A).
    G14939825Courtesy of KIA MOTORS AMERICA, INC.
  8. Separate the brake fluid level sensor wiring fastener(A).
    G14939826Courtesy of KIA MOTORS AMERICA, INC.
  9. Remove the reservoir tank (A) after removing the screws.
    G14939827Courtesy of KIA MOTORS AMERICA, INC.
  10. Disconnect the Integrated Electronic Booster (IEB) ECU connector (A).
    G14939828Courtesy of KIA MOTORS AMERICA, INC.
  11. Disconnect the Integrated Electronic Booster (IEB) motor connecotr (A).
    G14939829Courtesy of KIA MOTORS AMERICA, INC.
  12. Separate the Integrated Electronic Booster (IEB) brake tubes (A) after loosening the flare nuts.

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

    G00629111Courtesy of KIA MOTORS AMERICA, INC.
  13. Remove the split pin (A) and clevis pin (B).
    G00629112Courtesy of KIA MOTORS AMERICA, INC.
  14. Remove the Integrated Electronic Booster (IEB) nuts (A).

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

    G00629113Courtesy of KIA MOTORS AMERICA, INC.
  15. Remove the Integrated Electronic Booster (IEB) (A).
    G00629114Courtesy of KIA MOTORS AMERICA, INC.
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