Front Brake Caliper: Disassembly

REMOVE SET RING AND CYLINDER BOOT
Using a screwdriver, remove the set ring and cylinder boot from the caliper.
REMOVE PISTON
1. Place a piece of cloth or similar between the piston and the caliper.
  
  Fig 1: Removing Set Ring And Cylinder Boot Using A Screwdriver
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Use compressed air to remove the piston from the cylinder.
CAUTION: Do not place your fingers in front of the piston when using compressed air.
REMOVE PISTON SEAL
Using a screwdriver, remove the piston seal from the cylinder.
REMOVE BLEEDER PLUG
Torque: 8.3 N.m (85 kgf.cm, 73 in.lbf)

Fig 2: Removing Piston From Cylinder
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE SLIDING PINS AND DUST BOOTS
1. Remove the 2 sliding pins from the torque plate.
2. Remove the 2 dust boots.
NOTE: At the time of reassembly, check that the metal plate portion of the dust boot fits snugly in the torque plate.

Fig 3: Identifying Dust Boots
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002