Front Brake Pad, Brake Caliper & Brake Rotor: Disassembly

HINT:

• Use the same procedures for the LH side and RH side.
• The procedures listed below are for the LH side.

1. REMOVE CYLINDER BOOT 
   1. Using a screwdriver, remove the 4 cylinder boots from the disc brake caliper.

      HINT:

      Tape the screwdriver tip before use.

      Fig 1: Identifying Disc Brake Caliper Cylinder Boots

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. REMOVE FRONT DISC BRAKE PISTON 
   1. Install one side of the disc brake pad.
   2. Install a wooden plate between the pistons of the disc brake caliper to prevent the pistons from jumping out
   3. Using an air gun, gradually apply air and remove the 2 disc brake pistons from the cylinder.
      CAUTION: Do not place your fingers in front of the pistons when using compressed air.
   4. Remove the brake pad and wooden plate.
      Fig 2: Applying Air & Removing Disc Brake Pistons From Cylinder

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   5. Temporarily install the 2 disc brake pistons that were removed. Then install the disc brake pad to the side in which the 2 disc brake pistons were temporarily installed.
   6. Install a wooden plate between the pistons of the disc brake caliper to prevent the pistons from jumping out.
   7. Using an air gun, gradually apply air and remove the 2 disc brake pistons from the other side of the cylinder.
3. REMOVE PISTON SEAL 
   1. Using a screwdriver, remove the 4 piston seals from the disc brake caliper.
      NOTE: Do not damage the inner cylinder and cylinder groove.

      HINT:

      Tape the screwdriver tip before use.

      Fig 3: Identifying Piston Seals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. REMOVE FRONT DISC BRAKE BLEEDER PLUG CAP 
5. REMOVE FRONT DISC BRAKE BLEEDER PLUG