Front Brake Pad, Brake Caliper & Brake Rotor: Disassembly

REMOVE CYLINDER BOOT
1. Using a screwdriver, remove the 4 set rings and 4 cylinder boots from the disc brake cylinder.
  
  Fig 1: Identifying Set Rings & Cylinder Boots
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT DISC BRAKE PISTON
1. Prepare a wooden plate to hold the pistons.
  
  Fig 2: Identifying Wooden Plate
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Place the plate between the pistons and insert a pad into one side.
3. Apply compressed air to remove the pistons one side at a time from the disc brake cylinder.
  CAUTION: Do not place your fingers in front of the piston when applying compressed air.
  
  NOTE: Do not spatter the brake fluid.
  
  Fig 3: Identifying Pistons Using Compressed Air
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE PISTON SEAL
1. Using a screwdriver, remove the 4 piston seals from the cylinder.
  NOTE: Do not damage the inner surface or piston seal groove of the cylinder.
  
  Fig 4: Identifying Piston Seals From Cylinder
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT DISC BRAKE BLEEDER PLUG CAP
REMOVE FRONT DISC BRAKE BLEEDER PLUG