Front Disc Brake Assembly: Disassembly

WARNING: This page is about a different car, the 2014 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Be careful not to allow foreign matter to enter the brake hose connector.

Remove mud and foreign matter from the caliper body.
Remove the piston - disc brake.
1. Place a wooden block in the caliper body as shown in the figure to prevent the piston - disc brake from jumping out and being damaged.
2. Using an air gun, gradually apply compressed air via the brake hose installation hole to push out the piston - disc brake.
  
  Fig 1: Removing Piston - Disc Brake
  Courtesy of SUBARU OF AMERICA, INC.
Remove the piston boot (b) and piston seal (c) from the caliper body cylinder (a).
CAUTION: Do not damage the cylinder and piston seal groove.

Fig 2: Removing Piston Boot And Piston Seal From Caliper Body Cylinder
Courtesy of SUBARU OF AMERICA, INC.
Remove the guide pin - front brake, lock pin - front brake, lock pin - sleeve, and pin boot from the support - front disc brake.

Fig 3: Removing Guide Pin - Front Brake
Courtesy of SUBARU OF AMERICA, INC.