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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Front) - Service Information >> FRONT BRAKE (except 6-Pot Caliper) >> Installation [10/2017 - 10/2020] >> Procedure

Installation [10/2017 - 10/2020]: Procedure

  1. INSTALL FRONT DISC LH 
    1. Check the identification mark to determine the installation side.
      NOTE:

      The front disc needs to be installed to the correct side of the vehicle. There is a "L", indicating the disc for the left wheel, or a "R", indicating the disc for the right wheel, engraved on the disc in the position shown in the illustration.

      GTY798693Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. When reusing the front disc LH:
      1. Align the matchmarks of the front disc LH and front axle hub sub-assembly, and install the front disc LH.
        GTY785972Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Matchmark
    3. When replacing the front disc LH:
      1. Inspect the front disc runout.

        See step  5

      2. Select the installation position where the front disc has minimal runout, and install the front disc LH.
    4. Temporarily install the 5 hub nuts.
  2. INSTALL DISC BRAKE CYLINDER ASSEMBLY LH 
    1. Install the disc brake cylinder assembly to the steering knuckle with the 2 bolts.

      Torque: 135 N.m (1377 kgf/cm, 100 ft.lbf) 

  3. CONNECT FRONT FLEXIBLE HOSE 
    1. Connect the front flexible hose to the disc brake cylinder assembly with a new union bolt and a new gasket.

      Torque: 39.2 N.m (400 kgf/cm, 29 ft.lbf) 

      NOTE:

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

  4. INSTALL FRONT DISC BRAKE ANTI-SQUEAL SHIM 

    Refer to PROCEDURE - Step 1

  5. INSTALL FRONT DISC BRAKE PAD 

    Refer to PROCEDURE - Step 2

  6. CONNECT BRAKE BOOSTER PUMP CONNECTOR 

    Refer to PROCEDURE - Step 4

  7. BLEED BRAKE LINE 

    Refer to PROCEDURE - Step 1

  8. INSTALL FRONT WHEEL 

    Refer to INSTALLATION [10/2017 - 10/2023]