Front Brake Caliper: Disassembly

Remove cylinder boot set rings and boots.

Fig 1: Removing Cylinder Boot
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using a screwdriver, remove the 4 cylinder boot set rings and boots.
Remove pistons from cylinder.
1. Prepare the wooden plate to hold the pistons.
  
  Fig 2: Displaying Wooden Plate Measurements
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Place the plate between the pistons and insert a pad at one side.
  
  Fig 3: Placing Plate between Pistons
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Use compressed air to remove the pistons alternately from the cylinder.
  CAUTION: Do not place your fingers in front of the pistons when using compressed air.
Remove piston seals.

Fig 4: Removing Piston Seal
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using a screwdriver, remove the 4 piston seals from the cylinder.