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Brake Rotor Surface and Wear Inspection

    WARNING:

    Refer to Brake Dust Warning .

  1. If the inboard friction surface of the brake rotor is not accessible, reposition and support the caliper with the brake pads. Refer to Front Disc Brake Pads Replacement (J60) , or Front Disc Brake Pads Replacement (JQ5) , or Front Disc Brake Pads Replacement (J17) , or/and Rear Disc Brake Pads Replacement (GNC) , or Rear Disc Brake Pads Replacement (GNQ) .
  2. Clean the friction surfaces of the brake rotor with denatured alcohol, or an equivalent approved brake cleaner.
  3. Inspect the friction surfaces of the brake rotor for the following Braking Surface Conditions:
    • Heavy rust and/or pitting.
    • Light surface rust can be removed with an abrasive disc.
    • Cracks and/or heat spots.
    • Excessive blueing discoloration.
  4. If the friction surfaces of the brake rotor exhibit one or more of the braking surface conditions, the rotor requires replacement. Refer to Front Brake Rotor Replacement (JQ5) , or Front Brake Rotor Replacement (J17, J60) , or Rear Brake Rotor Replacement .
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