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Home >> Lexus >> 2019 >> LS 500h AWD >> Repair and Diagnosis >> Maintenance >> Procedures >> Maintenance - Service Information (2 Of 2) >> REAR DISC BRAKE PAD (for 4-Pot Caliper) >> Installation [10/2020 - 11/2021] >> Procedure

Installation [10/2020 - 11/2021]: Procedure

  1. INSTALL REAR DISC BRAKE ANTI-SQUEAL SHIM 
    NOTE:
    • When replacing the rear disc brake pads with new ones, make sure to replace the rear disc brake anti-squeal shim kit at the same time.
    • Do not apply lubricants to the lining surface of the brake pad.
    • Install the anti-squeal shims in the correct position and direction.
    1. Apply brake shim grease (Part No. 08887-80409) to the rear disc brake pads and No. 1 anti-squeal shims at the positions shown in the illustration.
      GTY785009Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear Disc Brake Pad
      *2 No. 1 Anti-Squeal Shim
      *3 No. 2 Anti-Squeal Shim
      *4 Inner Anti-Rattle Spring
      Brake Shim Grease (Part No. 08887-80409)
      NOTE:
      • Use the grease supplied with the anti-squeal shim kit or brake shim grease (Part No. 08887-80409) or equivalent.
      • Do not apply grease between the No. 1 and No. 2 anti-squeal shims.
    2. Install the inner anti-rattle springs to each of the rear disc brake pads.
    3. Install the No. 1 and No. 2 anti-squeal shims to each of the rear disc brake pads.
  2. INSTALL REAR DISC BRAKE PAD 
    WARNING:

    Be careful not to get pinched by the disc brake cylinder assembly or other parts when installing the rear disc brake pads.

    1. Using SST, push in the rear disc brake piston.
      • SST: 09719-77020 
      NOTE:
      • Make sure the brake fluid does not overflow from the reservoir.
      • Do not forcibly push in the rear disc brake piston.
      GTY835311Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. for RH side:
      GTY806953Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the pad wear indicator wire assembly RH to the rear disc brake pad (inner) with a new pad wear indicator retainer.
        NOTE:
        • The rear disc brake pad with the pad wear indicator wire assembly RH must be installed to the inside position.
        • When replacing the rear disc brake pads with new ones, make sure to replace the pad wear indicator wire assembly RH and pad wear indicator retainer at the same time.
    3. Install the 2 rear disc brake pads to the rear disc brake cylinder assembly LH.
      GTY807019Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Install the anti-squeal spring between the 2 rear disc brake pads.
    5. Install the No. 1 anti-rattle spring to the disc brake cylinder LH.
    6. While pressing the area (A), install the 2 hole pins (B).
      GTY820185Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. While pressing the area (A), slightly pull out the hole pin (B) from the rear disc brake cylinder assembly LH, and install the pin hold clip.
      GTY838510Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. GTY806938Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      for RH side:

      1. Connect the bleeder plug cap to the rear disc brake bleeder plug.
      2. Connect the pad wear indicator wire assembly RH to the rear wheel bearing dust deflector with the 4 clamps.
      3. Connect the pad wear indicator wire assembly RH connector to the rear speed sensor RH.
  3. CONNECT BRAKE BOOSTER PUMP CONNECTOR (w/o Advanced Park) 

    Refer to PROCEDURE - Step 5

  4. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL (w/ Advanced Park) 
    1. Connect the reservoir level switch connector.
    2. Connect the cable to the negative (-) auxiliary battery terminal.

      Refer to INSTALLATION [10/2020 - 10/2023] 

    3. Perform the following procedure if air bleeding is not necessary:
      1. Turn the ignition switch to ON (READY).
      2. Depress the brake pedal and release it.
      3. Clear the DTCs.

        -

  5. INSPECT BRAKE FLUID LEVEL IN RESERVOIR (w/o Advanced Park) 

    Refer to ON-VEHICLE INSPECTION [10/2020 - 10/2023]

  6. INSPECT BRAKE FLUID LEVEL IN RESERVOIR (w/ Advanced Park) 

    -

  7. INSTALL REAR WHEEL 

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