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Home >> Lexus >> 2024 >> TX 350 Base, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Front) - Service Information >> FRONT BRAKE (except 6-Pot Caliper) >> Installation [09/2023 - ] >> Procedure

Installation [09/2023 - ]: Procedure

  1. INSTALL FRONT DISC 
    1. GTY1197360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark - -
      1. Align the matchmarks of the front disc and front axle hub sub-assembly, and install the front disc.
        NOTE:

        When replacing the front disc with a new one, select the installation position where the front disc has minimal runout.

  2. INSTALL FRONT DISC BRAKE CYLINDER MOUNTING 

    Torque: 196 N*m (1999 kgf*cm, 145 ft.*lbf) 

  3. INSTALL FRONT DISC BRAKE BUSHING DUST BOOT 
    1. GTY1201743Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Lithium Soap Base Glycol Grease - -
      1. Apply a light layer of lithium soap base glycol grease to the entire circumference of 2 new front disc brake bushing dust boots.

        HINT: 

        Apply more than 0.3 g (0.01 oz) of lithium soap base glycol grease to each front disc brake bushing dust boot.

      2. Install the 2 front disc brake bushing dust boots to the front disc brake cylinder mounting.
  4. INSTALL FRONT DISC BRAKE CYLINDER SLIDE BUSHING 
    1. GTY1127268Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Lithium Soap Base Glycol Grease - -
      1. Apply a light layer of lithium soap base glycol grease to the contact surface of the front disc brake cylinder slide pin (lower side) and a new front disc brake cylinder slide bushing.
      2. Install the front disc brake cylinder slide bushing to the front disc brake cylinder slide pin (lower side).
  5. INSTALL FRONT DISC BRAKE CYLINDER SLIDE PIN 
    1. GTY1196521Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Front Disc Brake Cylinder Slide Pin (Upper Side) *2 Front Disc Brake Cylinder Slide Pin (Lower Side)
      Lithium Soap Base Glycol Grease - -
      1. Apply a light layer of lithium soap base glycol grease to the sliding part and the sealing surfaces of the 2 front disc brake cylinder slide pins.
      2. Install the 2 front disc brake cylinder slide pins to the front disc brake cylinder mounting.
      3. Push each front disc brake cylinder slide pin into the front disc brake bushing dust boot to engage the pin to the boot.
  6. INSTALL FRONT DISC BRAKE FITTING KIT 
    NOTE:

    Be sure to install each front disc brake pad support plate in the correct position and direction.

  7. INSTALL FRONT ANTI SQUEAL SHIM KIT 
    Refer to PROCEDURE - Step 1
  8. INSTALL FRONT DISC BRAKE PAD KIT 
    1. GTY1202725Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the 2 front disc brake pads to the front disc brake cylinder mounting.
        NOTE:
        • Keep the friction surfaces of the front disc brake pads and front disc free from oil and grease.
        • Install the front disc brake pad so that the front disc brake pad wear indicator plate is mounted on the upper side of the vehicle.
      2. Install the 2 anti-squeal springs to the front disc brake pads.
        NOTE:
        • When replacing the front disc brake pads with new ones, make sure to replace the anti-squeal springs at the same time.
        • Be sure to install the anti-squeal springs into the front disc brake pad installation holes as far as they will go.
  9. INSTALL FRONT DISC BRAKE CYLINDER ASSEMBLY 
    NOTE:
    • Install the front disc brake cylinder assembly while holding both of the front disc brake pads because the anti-squeal springs may fall off the front disc brake pads.
    • Be sure that the anti-squeal springs are installed to the front disc brake pads.

    Torque: 45 N*m (459 kgf*cm, 33 ft.*lbf) 

  10. CONNECT FRONT FLEXIBLE HOSE 
    1. GTY1199396Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Connect the front flexible hose to the front disc brake cylinder assembly with a new union bolt and a new gasket.

        Torque: 29.4 N*m (300 kgf*cm, 22 ft.*lbf) 

        NOTE:

        Install the front flexible hose lock securely into the lock hole in the front disc brake cylinder assembly.

  11. BLEED BRAKE LINE 

    Refer to BLEEDING [09/2023 - ]

  12. INSTALL FRONT WHEEL 

    Refer to INSTALLATION [09/2023 - ]