Rear Disc Rotor: Removal

WARNING: This page is about a different car, the 2015 Subaru Outback and 2015 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

Release the parking brake.
Using the Subaru Select Monitor, go to the brake maintenance mode according to the display screen.
Disconnect the ground terminal from battery sensor. <Ref. to BATTERY , NOTE, Repair Contents.>
Lift up the vehicle, and then remove the rear wheels.
Remove the disc brake assembly.
1. Remove the pad clip, the connector and the brake hose bracket.
2. Remove the mounting bolt, and remove the disc brake assembly.
3. Prepare wiring harnesses etc. to be discarded, and suspend the disc brake assembly from the shock absorber assembly.
  
  Fig 1: Locating Disc Brake And Shock Absorber Assembly Wiring Harnesses
  Courtesy of SUBARU OF AMERICA, INC.
Remove the disc rotor.
NOTE: If the disc rotor is difficult to remove, proceed as follows.

When the disc rotor is difficult to be removed from the hub unit COMPL - rear axle, screw in 8 mm (0.31 in) bolt to the threaded part of the disc rotor (A), and remove the disc rotor.

Fig 2: Identifying Disc Rotor Screws
Courtesy of SUBARU OF AMERICA, INC.