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Front Brake Disc Thickness Check

WARNING: This page is about a different car, the 2017 Kia K900. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check the brake pads for wear and fade.
  2. Check the brake disc for damage and cracks.
  3. Remove all rust and contamination from the surface, and measure the disc thickness at 8 points, at least, of same distance (5mm) from the brake disc outer circle.

    Brake Disc Thickness 

    Standard: 30mm (1.181in)

    Service limit: 28.4mm (1.118in)

    Deviation: Less than 0.005mm (0.0002in)

    Fig 1: Inspecting Front Brake Disc Thickness
    G11800808Courtesy of KIA MOTORS AMERICA, INC.
  4. If wear exceeds the limit, replace the discs and pad assembly left and right of the vehicle.