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Disc Brake Pad And Disc

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
  1. Jack up the vehicle and support it with rigid racks. Remove the wheels.
  2. Visually check the pad thickness through inspection hole of disc brake assembly. Replace the pad if necessary.
    NOTE: When replacing a pad, always replace the pads for both the left and right wheels at the same time. Also replace the pad clips if they are twisted or worn.
    Fig 1: Inspection Hole
    G07664621Courtesy of SUBARU OF AMERICA, INC.
    Fig 2: Pad Thickness, Back Metal And Lining
    G07664622Courtesy of SUBARU OF AMERICA, INC.
    • Front (except for back metal)
      PAD THICKNESS REFERENCE CHART

      Pad thickness mm (in)
      Standard 11 (0.43)
      Wear limit 1.5 (0.059)
    • Rear (except for back metal)
      PAD THICKNESS REFERENCE CHART

      Pad thickness mm (in)
      Standard 9.0 (0.354)
      Wear limit 1.5 (0.059)
  3. Check the disc rotor, and correct or replace if it is damaged or worn.
    • Front
      DISC ROTOR THICKNESS REFERENCE CHART

      Disc rotor thickness mm (in)
      Standard 24 (0.94)
      Wear limit 22 (0.87)
    • Rear
      DISC ROTOR THICKNESS REFERENCE CHART

      Disc rotor thickness mm (in)
      Standard 10 (0.39)
      Wear limit 8.5 (0.33)
  4. Remove the caliper body. < Ref. to FRONT DISC BRAKE ASSEMBLY . > < Ref. to REAR DISC BRAKE ASSEMBLY . >
  5. Tighten the wheel nuts to secure disc rotor.
  6. Set a dial gauge at a point of 10 mm (0.39 in) or less from outer periphery of the rotor, and then measure the disc rotor runout.

    Disc rotor runout limit: 

    Front: 0.050 mm (0.0020 in) 

    Rear: 0.050 mm (0.0020 in) 

    Fig 3: Measuring Disc Rotor Runout Using Dial Gauge
    G07664623Courtesy of SUBARU OF AMERICA, INC.