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Brake Rotor Surface and Wear Inspection

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
    WARNING:

    Refer to Brake Dust Warning .

  1. If the inboard friction surface of the brake rotor is not accessible, remove the brake pads. Refer to Front Disc Brake Pads Replacement , or/and Rear Disc Brake Pads Replacement .
  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. Heavy surface rust and/or pitting must be removed by refinishing the rotor. Refer to Brake Rotor Refinishing .
    • Cracks and/or heat spots.
    • Excessive bluing discoloration.
  4. If the friction surfaces of the brake rotor exhibit one or more of the Braking Surface Conditions, the rotor requires refinishing or replacement. Refer to Front Brake Rotor Replacement , Rear Brake Rotor Replacement , or Brake Rotor Refinishing .
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