LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2019 >> LS 500 Base, RWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Front) - Service Information >> FRONT BRAKE (except 6-Pot Caliper) >> Removal [12/2017 - 10/2023] >> Procedure

Removal [12/2017 - 10/2023]: Procedure

  1. PRECAUTION (w/o Vacuum Brake Booster) 
    NOTE:
    • When the brake pedal is first depressed after replacing the brake pads or pushing back the disc brake piston, DTC C1341, C1342, C1343 and/or C1344 may be stored. As there is no malfunction, clear the DTCs.
    • While the battery is connected, even if the engine switch is off, the brake control system activates when the brake pedal is depressed or the door courtesy switch is turned on. Therefore, even if only brake pads are to be removed and installed, be sure to remove the brake booster pump connectors before beginning work.
  2. DISCONNECT BRAKE BOOSTER PUMP CONNECTOR (w/o Vacuum Brake Booster) 

    Refer to PROCEDURE - Step 2 [12/2017 - 09/2018] , or refer to PROCEDURE - Step 2 [09/2018 - 10/2020] , or refer to PROCEDURE - Step 2 [10/2020 - 10/2022] , or refer to PROCEDURE - Step 2 [10/2022 - 10/2023]

  3. REMOVE FRONT WHEEL 

    Refer to REMOVAL [12/2017 - 10/2023]

  4. DRAIN BRAKE FLUID 
    NOTE:

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

  5. REMOVE FRONT DISC BRAKE PAD 

    Refer to PROCEDURE - Step 5

  6. REMOVE FRONT DISC BRAKE ANTI-SQUEAL SHIM 

    Refer to PROCEDURE - Step 6

  7. DISCONNECT FRONT FLEXIBLE HOSE 
    1. Remove the union bolt and gasket, and disconnect the front flexible hose from the disc brake cylinder assembly LH.
      GTY832424Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE DISC BRAKE CYLINDER ASSEMBLY LH 
    1. Remove the 2 bolts and disc brake cylinder assembly LH from the steering knuckle.
      GTY798707Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE FRONT DISC LH 
    1. Put matchmarks on the front disc LH and the front axle hub sub-assembly LH.
      GTY785972Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark

      HINT: 

      Not required when replacing the front disc LH.

    2. Remove the front disc LH.