Rear Disc Rotor: Removal

Lift-up vehicle and remove wheels.
Remove the two mounting bolts and remove the disc brake assembly.

Fig 1: Removing Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Suspend the disc brake assembly so that the hose is not stretched.
Pull down and release parking brake.
Remove the disc rotor.
NOTE: If the disc rotor is difficult to remove try the following two methods in order.
1. Turn adjusting screw using a slot-type screwdriver until brake shoe gets away enough from the disc rotor.
  
  Fig 2: Turning Adjusting Screw Using A Slot-Type Screwdriver
  Courtesy of SUBARU OF AMERICA, INC.
2. If disc rotor seizes up within hub, drive disc rotor out by installing an 8-mm bolt in holes B on the rotor.
  
  Fig 3: Installing Bolts In Holes On Rotor
  Courtesy of SUBARU OF AMERICA, INC.