Front Disc Rotor: Removal

Lift up the vehicle, and then remove the front wheels.
Remove the caliper body assembly from the housing assembly - front axle.
1. Remove the bolt from the brake hose bracket.
2. Remove the mounting bolt, and remove the caliper body assembly.
  
  Fig 1: Locating Brake Hose Bracket Bolts
  Courtesy of SUBARU OF AMERICA, INC.
3. Prepare wiring harnesses etc. to be discarded, and suspend the caliper body assembly from the strut assembly.
  
  Fig 2: Suspending Caliper Body Assembly From Strut Assembly
  Courtesy of SUBARU OF AMERICA, INC.
Remove the front disc rotor.
NOTE: When the disc rotor is difficult to be removed from the hub unit COMPL - front axle, screw in 8 mm (0.31 in) bolt to the threaded part of the disc rotor (A), and remove the disc rotor.

Fig 3: Screwing In Bolt To Threaded Part Of Disc Rotor

Courtesy of SUBARU OF AMERICA, INC.