Front Brake Disassembly

Brake. Lexus Gs430, Gs300. Uzs190 Grs190
Brake. Lexus Gs430, Gs300. Uzs190 Grs190

  1. REMOVE CYLINDER BOOT

  2. REMOVE FRONT BRAKE PISTON

  3. REMOVE FRONT BRAKE PISTON

  4. REMOVE FRONT DISC BRAKE BLEEDER PLUG

  5. REMOVE FRONT DISC

Front Brake -- Disassembly



1. REMOVE CYLINDER BOOT


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Using a screwdriver, remove the cylinder boot from the disc brake cylinder assembly.



2. REMOVE FRONT BRAKE PISTON


    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Front Brake  Disassembly
  1. Prepare a wooden plate to hold the pistons.

  1. Place the plate between the pistons and insert a pad into one side.



    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Use compressed air to remove the pistons alternately from the disc brake cylinder assembly.

    CAUTION:
    Do not place your fingers in front of the pistons when using compressed air.


3. REMOVE FRONT BRAKE PISTON
  1. Using a screwdriver, remove the 4 piston seals from the disc brake cylinder assembly.



4. REMOVE FRONT DISC BRAKE BLEEDER PLUG


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the front disc brake bleeder plug from the disc brake cylinder assembly.



5. REMOVE FRONT DISC


    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Front Brake  Disassembly
  1. Put matchmarks on the front disc and the axle hub.

  1. Remove the front disc.