Rear Brake Pad, Brake Caliper & Brake Rotor: Disassembly

REMOVE CYLINDER BOOT
1. Using a screwdriver, remove the cylinder boot from the disc brake cylinder.
  
  Fig 1: Identifying Cylinder Boot
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE REAR DISC BRAKE PISTON
1. Place a shop rag or piece of cloth between the piston and disc brake cylinder.
2. Apply compressed air to remove the piston 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.
REMOVE PISTON SEAL
1. Using a screwdriver, remove the piston seal from the disc brake cylinder.
  NOTE: Do not damage the inner surface or piston seal groove of the cylinder.
  
  Fig 3: Identifying Piston Seal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE REAR DISC BRAKE BLEEDER PLUG CAP
REMOVE REAR DISC BRAKE BLEEDER PLUG