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Home >> Lexus >> 2023 >> NX 350 Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Rear) - Service Information >> Rear Brake >> Removal [03/2024 - ] >> Procedure

Removal [03/2024 - ]: Procedure

  1. PRECAUTION 
    NOTE:
  2. REMOVE REAR WHEEL 

    Refer to REMOVAL [03/2024 - ]

  3. PERFORM REAR BRAKE PAD REPLACEMENT MODE 

    Refer to REAR BRAKE PAD REPLACEMENT MODE [11/2021 - ]

  4. DISABLE BRAKE CONTROL (for HEV Model) 
    1. GTY1064118Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Perform the following procedure:

        1. Wait 4 minutes after turning the ignition switch off to ensure that the skid control ECU is in sleep mode.

        NOTE:
        • When the brake pedal is depressed or the door courtesy switch is turned on even if the ignition 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.
        • Do not operate the electric parking brake switch assembly when the electric parking brake system is in rear brake pad replacement mode.

        2. Disconnect the connector from the brake master cylinder reservoir assembly.

        3. Disconnect the cable from the negative (-) auxiliary battery terminal.

        Refer to REMOVAL [11/2021 - ]

        4. In order to prevent pressurized brake fluid in the accumulator from being applied to the brake calipers, depress the brake pedal 40 times or more to return the pressurized brake fluid in the accumulator back to the brake master cylinder reservoir assembly.

        5. Check that the brake pedal cannot be further depressed.

  5. DRAIN BRAKE FLUID 
    NOTE:

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

  6. SEPARATE REAR FLEXIBLE HOSE 
    1. GTY1063295Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. DISCONNECT NO. 2 PARKING BRAKE WIRE ASSEMBLY 
    Refer to PROCEDURE - Step 4
  8. REMOVE PARKING BRAKE ACTUATOR ASSEMBLY 
    Refer to PROCEDURE - Step 5
  9. REMOVE PARKING BRAKE ACTUATOR SEAL 

    Refer to PROCEDURE - Step 6

  10. REMOVE REAR DISC BRAKE CYLINDER ASSEMBLY 
    1. GTY1063319Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE REAR DISC BRAKE PAD 
    1. GTY1059929Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE REAR DISC BRAKE ANTI-SQUEAL SHIM KIT 

    Refer to PROCEDURE - Step 8

  13. REMOVE REAR DISC BRAKE PAD SUPPORT PLATE 
    NOTE:

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

    1. GTY1063320Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE REAR DISC BRAKE CYLINDER SLIDE PIN 
    1. GTY1063321Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE REAR DISC BRAKE CYLINDER SLIDE BUSH 
    1. GTY1064513Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using a screwdriver with its tip wrapped with protective tape, remove the rear disc brake cylinder slide bushing from the rear disc brake cylinder slide pin (upper side).
        NOTE:

        Do not damage the rear disc brake cylinder slide pin (upper side).

  16. REMOVE REAR DISC BRAKE BUSH DUST BOOT 
    1. GTY1063323Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE REAR DISC BRAKE CYLINDER MOUNTING 
    1. GTY1064398Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE REAR DISC 
    1. GTY1063395Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark - -
      1. Put matchmarks on the rear disc and rear axle hub and bearing assembly.
      2. Using a 5 mm hexagon socket wrench, remove the bolt.
      3. Remove the rear disc.
        NOTE:

        Check that the bolt has been fully removed.