Front Disc Brake Assembly: Disassembly

2014 Subaru Outback 2.5i, Standard TransSECTION Disassembly
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.
    1. Place a wooden block in the caliper body as shown in the figure to prevent the piston from jumping out and being damaged.
    2. Using an air gun, gradually apply compressed air via the brake hose installation hole to push the piston out.
      Fig 1: Pushing Piston Using Compressed Air
      G08583518Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the piston boot from caliper body cylinder.
    Fig 2: Removing Piston Boot From Caliper Body Cylinder
    G05032768Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the piston seal from caliper body cylinder.
    CAUTION: Do not damage the cylinder and piston seal groove.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.