BRAKE MASTER CYLINDER(for LHD) REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during brake master cylinder sub-assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Auxiliary battery terminal is disconnected/reconnected Memorize steering angle neutral point LKA/LDA system

Click here

Pre-collision system
Parking assist monitor system

Click here

Steering sensor zero point calibration Variable gear ratio steering system

Click here

Adjust brake pedal height
  • Clear stored linear solenoid valve calibration data

  • Perform initialization and calibration of the linear solenoid valve


  • DTCs are stored

  • ABS warning light illuminates

  • Brake warning light/yellow (minor malfunction) illuminates

  • Slip indicator light illuminates

  • VSC disabled or malfunctions


Brake actuator assembly
  • Bleed air

  • Clear stored linear solenoid valve calibration data

  • Perform initialization and calibration of the linear solenoid valve

CAUTION / NOTICE / HINT

Note

While the auxiliary battery is connected, even if the power switch is off, the brake control system activates when the brake pedal is depressed or any door courtesy switch turns on. Therefore, when servicing the brake system components, do not operate the brake pedal or open/close the doors while the auxiliary battery is connected.

PROCEDURE


  1. PRECAUTION

    Note

    After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

    Click here

  2. DISCONNECT BRAKE BOOSTER PUMP CONNECTOR

    Click here

  3. PERFORM ACCUMULATOR PRESSURE ZERO DOWN

    Click here

  4. DRAIN BRAKE FLUID

    Note

    If brake fluid leaks onto any painted surface, immediately wash it off.

  5. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

    Click here

  6. REMOVE BRAKE ACTUATOR WITH BRACKET

    Click here

  7. DISCONNECT BRAKE TUBE


    1. B004BTQ

      Using a union nut wrench, disconnect the brake tube flare nut.

  8. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY

    Click here

  9. REMOVE NO. 2 AIR DUCT

    Click here

  10. REMOVE HEATER TO REGISTER CENTER SUB DUCT

    Click here

  11. REMOVE BRAKE PEDAL RETURN SPRING

    Click here

  12. REMOVE STOP LIGHT SWITCH ASSEMBLY

    Click here

  13. REMOVE PUSH ROD PIN

    Click here

  14. REMOVE BRAKE MASTER WITH STROKE SIMULATOR CYLINDER ASSEMBLY


    1. B004CT4

      Remove the 4 nuts.

    2. B0049XB

      Disconnect the brake fluid level warning switch connector.

    3. Detach the wire harness clamp.

      Tech Tips

      Disconnect the wire harness clamp after pulling out the brake master with simulator cylinder assembly a small amount.

    4. B004CT1

      Remove the brake master with stroke simulator cylinder assembly.

      Note


      • Do not kink or damage the No. 2 brake actuator tube.

      • Protect the surface of the relay block so that it does not become damaged on the brake master with stroke simulator cylinder assembly.

  15. REMOVE BRAKE MASTER CYLINDER GASKET


    1. Remove the brake master cylinder gasket from the brake master with stroke simulator cylinder assembly.