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Thickness and Parallelism

WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the rear of the vehicle, and support it with safety stands in the proper locations (see SAFETY STANDS ).
  2. Remove the rear wheels.
  3. Remove the brake pads (see REAR BRAKE PAD INSPECTION AND REPLACEMENT  ).
  4. Using a micrometer, measure disc thickness at eight points, about 45° apart and 10 mm (3/8 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: 10.9-11.1 mm (0.43-0.44 in.) 
    • Max. refinishing limit: 9.0 mm (0.35 in.) 

    Brake disc/drum parallelism: 0.015 mm (0.0006 in.) max. 

    NOTE: Parallelism is the maximum allowable difference between the thickness measurements.
    Fig 1: Measuring Brake Disc Thickness
    G03705586Courtesy 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 an on-car brake lathe. The "Front Brake Disc Lathe" offered by Snap-on Tools Co. are approved for this operation.
    NOTE: If the brake disc/drum is beyond the service limit for refinishing, replace it (see KNUCKLE/HUB BEARING UNIT REPLACEMENT ).
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