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Thickness and Parallelism

  1. Raise and support the vehicle (see LIFT AND SUPPORT POINTS ).
  2. Remove the rear wheels.
  3. Remove the brake pads (see REPLACEMENT  ).
  4. Using a micrometer (A), measure the brake disc/drum thickness at eight points, about 45° apart and 10 mm (0.39 in) in from the outer edge of the brake disc/drum. Replace the brake disc/drum if the smallest measurement is less than the max. refinishing limit.

    Brake disc/drum thickness: 

    Standard: 11.0 mm (0.433 in) 

    Max. refinishing limit: 9.0 mm (0.354 in) 

    Brake disc/drum parallelism: 0.015 mm (0.00059 in) max 

    NOTE: This is the maximum allowable difference between the thickness measurements.
    Fig 1: Measuring Brake Disc/Drum Thickness Using Micrometer
    G08088355Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. If the brake disc/drum is beyond the service limit for parallelism, refinish the brake disc/drum with a Honda-approved commercially available on-car brake lathe.
    NOTE: If the brake disc/drum is beyond the service limit for refinishing, replace it (see REAR BRAKE DISC REPLACEMENT  ).
  6. Install the brake pads (see REPLACEMENT  ).
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