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Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Front) (Service Information) >> Front Brake >> Removal [07/2022 - ] >> Procedure

Removal [07/2022 - ]: 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.

    Refer to INITIALIZATION [07/2022 - ]

  2. DISABLE BRAKE CONTROL 
    1. Wait at least 2 minutes after turning the power switch off.
      NOTE:

      When the brake pedal is depressed or the door courtesy switch is turned on even if the power switch is off, the brake control system activates. Therefore do not depress the brake pedal or open/close the doors until the reservoir level switch connector is disconnected.

    2. Disconnect the reservoir level switch connector.
      GTY782862Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the cable from the negative (-) auxiliary battery terminal.

      Refer to REMOVAL [07/2022 - ]

    4. Depress the brake pedal 40 times or more to return all the fluid in the accumulator back to the reservoir.
    5. Check that the brake pedal cannot be further depressed.
  3. REMOVE FRONT WHEEL 

    Refer to REMOVAL [10/2018 - ]

  4. DRAIN BRAKE FLUID 
    NOTE:

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

  5. DISCONNECT FRONT FLEXIBLE HOSE 
    1. Remove the union bolt and gasket, and disconnect the front flexible hose from the front disc brake cylinder assembly.
      GTY835525Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE FRONT DISC BRAKE CYLINDER ASSEMBLY 
    1. Hold the 2 front disc brake cylinder slide pins and remove the 2 bolts and front disc brake cylinder assembly.
      GTY807818Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Turn
      *b Hold
  7. REMOVE FRONT DISC BRAKE PAD 
    1. Remove the 2 front disc brake pads from the front disc brake cylinder mounting.
      GTY835656Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE FRONT DISC BRAKE ANTI-SQUEAL SHIM KIT 

    Refer to PROCEDURE - Step 5

  9. REMOVE FRONT DISC BRAKE PAD SUPPORT PLATE 
    1. Remove the 4 front disc brake pad support plates from the front disc brake cylinder mounting.
      GTY813365Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Each front disc brake pad support plate has a different shape. Be sure to put an identification mark on each front disc brake pad support plate so that it can be reinstalled to its original position.

  10. REMOVE FRONT DISC BRAKE CYLINDER SLIDE PIN 
    1. Remove the 2 front disc brake cylinder slide pins from the front disc brake cylinder mounting.
      GTY813364Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a screwdriver with its tip wrapped with protective tape, remove the front disc brake cylinder slide bushing from the front disc brake cylinder slide pin (lower side).
      NOTE:

      Do not damage the front disc brake cylinder slide pin.

      GTY753032Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protective Tape
  11. REMOVE FRONT DISC BRAKE BUSHING DUST BOOT 
    1. Remove the 2 front disc brake bushing dust boots from the front disc brake cylinder mounting.
      GTY835652Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE FRONT DISC BRAKE CYLINDER MOUNTING 
    1. Remove the 2 bolts and front disc brake cylinder mounting from the steering knuckle.
      GTY813349Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE FRONT DISC 
    1. Put matchmarks on the front disc and the front axle hub sub-assembly.
      GTY803782Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark
    2. Remove the front disc.
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