Rear Brake Pad, Brake Caliper & Brake Rotor: Removal

REMOVE REAR WHEEL
DRAIN BRAKE FLUID
NOTE: If brake fluid leaks onto any painted surface, wash off and remove it completely.
DISCONNECT REAR BRAKE FLEXIBLE HOSE
1. Remove the union bolt and the gasket from the rear disc brake cylinder assembly, then disconnect the flexible hose.
  
  Fig 1: Locating Union Bolt
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE REAR DISC BRAKE CYLINDER ASSEMBLY
1. Hold the 2 rear disc brake cylinder slide pins and remove the 2 bolts and rear disc brake cylinder assembly.
Fig 2: Identifying Rear Disc Brake Cylinder Assembly
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002