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Home >> Lexus >> 2014 >> IS 350 Base, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Front) - Service Information >> FRONT BRAKE (for 2GR-FSE, 8AR-FTS, 2GR-FKS, 2UR-GSE) >> Installation [11/2021 - ] >> Procedure

Installation [11/2021 - ]: Procedure

  1. INSTALL FRONT DISC 
    1. for 1-piece Front Disc:
      1. Check the identification mark to determine the installation side.
        GTY471089Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Identification Mark
        Identification Mark Installation Position
        L LH Side
        R RH Side
        NOTE:

        Correctly install the front disc by checking the mark "R" or "L" engraved on the back of it.

    2. GTY1083143Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A Inner Side of Front Disc
      *B Outer Side of Front Disc
      *a Identification Mark

      for 2-piece Front Disc:

      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 an "L", indicating the disc for the left wheel, or an "R", indicating the disc for the right wheel, engraved on the inside of the disc in the position shown in the illustration.
        • There is pink paint, indicating the disc for the left wheel, or green paint, indicating the disc for the right wheel, on the surface of the front disc in the position shown in the illustration.
    3. When reusing the front disc:
      1. Align the matchmarks of the front disc and front axle hub sub-assembly, and install the front disc.
        GTY968603Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Matchmark
    4. When replacing the front disc:
      1. Inspect the front disc runout.

        See step  6

      2. Select the installation position where the front disc has minimal runout, and install the front disc.
    5. Using a 5 mm hexagon socket wrench, install the bolt.

      Torque: 20.0 N.m (204 kgf/cm, 15 ft.lbf) 

      NOTE:
      • Do not apply excessive force to the bolt and front disc.
      • Confirm that the head of the bolt is not protruding from the surface of the disc.
  2. INSTALL FRONT DISC BRAKE CYLINDER ASSEMBLY 
    1. Install the front 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 front 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 front disc brake cylinder assembly.

  4. INSTALL FRONT DISC BRAKE ANTI-SQUEAL SHIM KIT 
    1. for 1-piece Front Disc:
      1. Install the front No. 1 disc brake anti-squeal shim and front No. 2 disc brake anti-squeal shim to each front disc brake pad.
        NOTE:
        • Make sure that the front No. 1 disc brake anti-squeal shim and front No. 2 disc brake anti-squeal shim are installed in the correct position.
        • As shown in the illustration, the front No. 1 disc brake anti-squeal shim and front No. 2 disc brake anti-squeal shim can be identified by length, with B being longer than A.
        • When replacing the front disc brake pads with new ones, make sure to replace the front disc brake anti-squeal shim kit at the same time.
        GTY514597Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *1 Front Disc Brake Pad
        *2 Front No. 1 Disc Brake Anti-squeal Shim
        *3 Front No. 2 Disc Brake Anti-squeal Shim
    2. for 2-piece Front Disc:
      1. Install the front No. 1 disc brake anti-squeal shim to each front disc brake pad.
        GTY520731Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *1 Front Disc Brake Pad
        *2 Front No. 1 Disc Brake Anti-squeal Shim
  5. INSTALL FRONT DISC BRAKE PAD 
    1. for 1-piece Front Disc:
      1. Lightly apply brake shim grease (Part No. 08887-80409) to the areas shown in the illustration where the front disc brake pad and front disc brake cylinder assembly contact each other.
        GTY516892Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Brake Shim Grease (Part No. 08887-80409)
      2. Install the 2 front disc brake pads to the front disc brake cylinder assembly.
        GTY500518Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *A for Type A *B for Type B
        *1 Outer Pad *2 Inner Pad
        *3 Pad Wear Indicator - -
        Direction of Disc Rotation for Forward Movement Chamfered Edge (Small)
        Chamfered Edge (Large) Chamfered Edge (Same Size)
        NOTE:
        • The upper and lower edges of the front disc brake pads are chamfered differently. Install each front disc brake pad to the correct side and in the correct position as shown in the illustration (for Type B).
        • The front disc brake pad with the pad wear indicator is positioned on the inside of the vehicle.
        • Install the front disc brake pads in the correct directions.
        • There should be no oil or grease on the friction surfaces of the front disc brake pads and front disc.
    2. for 2-piece Front Disc:
      1. Lightly apply brake shim grease (Part No. 08887-80409) to the areas shown in the illustration where the front disc brake pad and front disc brake cylinder assembly contact each other.
        GTY516892Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Brake Shim Grease (Part No. 08887-80409)
      2. Install the 2 front disc brake pads to the front disc brake cylinder assembly.
        GTY501271Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *1 Outer Pad
        *2 Inner Pad
        *3 Pad Wear Indicator
        Direction of Disc Rotation for Forward Movement
        Chamfered Edge (Small)
        Chamfered Edge (Large)
        NOTE:
        • The upper and lower edges of the front disc brake pads are chamfered differently. Install each front disc brake pad to the correct side and in the correct position as shown in the illustration.
        • The front disc brake pad with the pad wear indicator is positioned on the inside of the vehicle.
        • Install each front disc brake pad in the correct direction.
        • There should be no oil or grease on the friction surfaces of the front disc brake pads and front disc.
    3. Install the front disc brake anti-rattle spring to the front disc brake cylinder assembly.
      GTY468232Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. While pushing the front disc brake anti-rattle spring against the front disc brake cylinder assembly, install the front disc brake anti-rattle with hole pin to the front disc brake cylinder assembly.
    5. Install the pin hold clip to the front disc brake anti-rattle with hole pin.
  6. BLEED BRAKE LINE 

    Refer to BLEEDING [11/2021 - ]

  7. INSTALL FRONT WHEEL 

    Refer to PROCEDURE - Step 1 [09/2020 - 10/2023] , or refer to PROCEDURE - Step 2 [10/2023 - ]

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