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Rear Brake Disc Inspection: Runout

  1. Raise and support the vehicle (see LIFT AND SUPPORT POINTS ).
  2. Remove the rear wheels.
  3. Remove the brake pads (see REPLACEMENT  ).
  4. Inspect the brake disc/drum to wheel surface for damage and cracks. Clean the brake disc/drum thoroughly, and remove all rust.
  5. Install suitable flat washers (A) and wheel nuts (B), and tighten the wheel nuts to the specified torque to hold the brake disc/drum securely against the hub.
    Fig 1: Measuring Runout Using Dial Gauge With Torque Specifications
    G08088356Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Set up the dial gauge (C) against the brake disc/drum as shown, and measure the runout at 10 mm (0.39 in) from the outer edge of the brake disc/drum.

    Brake disc/drum runout: Service limit: 0.04 mm (0.0016 in) 

  7. If the brake disc/drum is beyond the service limit, refinish the brake disc/drum with a Honda-approved commercially available on-car brake lathe.

    Max. refinishing limit: 9.0 mm (0.354 in) 

    NOTE:
    • If the brake disc/drum is beyond the service limit for refinishing, replace it (see REAR BRAKE DISC REPLACEMENT  ).
    • If the brake disc/drum is replaced with a new one, check the new disc for runout. If the new disc/drum is out of specification, refinish the disc/drum.
  8. Install the brake pads (see REPLACEMENT  ).
  9. Clean the mating surfaces between the brake disc/drum and the inside of the wheel, then install the rear wheels.
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