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Front Disc Brake Assembly: Disassembly

WARNING: This page is about a different car, the 2023 Subaru Ascent. 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.
  1. Remove mud and foreign matter from the caliper body.
  2. 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 front installation hole to push out the piston disc brake.
      NOTE: Instead of removing the pistons one by one, remove all pistons at once after adjusting the amount of protrusion evenly using a wooden block.
    G16337231Courtesy of SUBARU OF AMERICA, INC.
    (a) 30 mm (1.18 in)
  3. Remove the boot piston (a) and piston seal (b).
    CAUTION: Do not damage the cylinder and piston seal groove.
    G13199741Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the pin boot from caliper body.
G13199742Courtesy of SUBARU OF AMERICA, INC.
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