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Home >> Mitsubishi >> 2014 >> Lancer SE >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (General Information) >> Maintenance Service >> Disk Brake Pads, Rotors >> Inspect For Wear >> Brake Disc Thickness Check

Brake Disc Thickness Check

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove contaminants or corrosion from the brake disc surface.
  2. Use a micrometer to measure the brake disc thickness at minimum eight points which are 10 mm (0.39 inch) inward from its circumference.
    Fig 1: Measuring Brake Disc Thickness Using Micrometer
    G09663239Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    Standard value: 

    26.0 mm (1.02 inches) < Front > 

    10.0 mm (0.39 inch) < Rear > 

    Limit: 

    24.4 mm (0.96 inch) < Front > 

    8.4 mm (0.33 inch) < Rear > 

  3. If the brake disc thickness is worn beyond the limit value at more than one point, replace the brake disc and check its run-out.