Parking Brake Assembly (Rear Disc Brake): Removal

Release the parking brake.
Lift up the vehicle, and then remove the rear wheels.
Remove the brake hose bracket.
Remove the rear disc rotor. Ref. to BRAKE>Rear Disc Rotor>REMOVAL .
Remove the spring - primary shoe return and the spring - secondary shoe return.

Fig 1: Identifying Primary Shoe Spring
Courtesy of SUBARU OF AMERICA, INC.
Remove the parking brake shoe on the primary side.
1. Remove the cup - shoe hold-down (a) and the spring - adjuster, and remove the parking brake shoe (b).
  
  Fig 2: Identifying Hold-Down Shoe Cup And Adjuster Spring
  Courtesy of SUBARU OF AMERICA, INC.
2. Remove the strut - brake and the spring - strut.
3. Remove the adjuster assembly - rear brake.
Remove the parking brake shoe on the secondary side.
1. Rotate the cup - shoe hold-down in the direction of the front side of the vehicle.
  
  Fig 3: Rotating Hold-Down Shoe Cup
  Courtesy of SUBARU OF AMERICA, INC.
2. Press and shorten the cup - shoe hold-down.
3. Rotate the pin - secondary shoe hold-down in the opposite direction, and pull out the pin - shoe hold-down.
Fig 4: Rotating Secondary Shoe Hold-Down Pin
Courtesy of SUBARU OF AMERICA, INC.
Remove the cable assembly - hand brake cable (a) from the parking lever - rear (b).

Fig 5: Removing Cable Assembly - Hand Brake Cable
Courtesy of SUBARU OF AMERICA, INC.
Remove the retainer - rear brake from the secondary side parking brake shoe. Remove the parking lever - rear from the brake shoe.