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Home >> Mitsubishi >> 2017 >> Lancer SE >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (General Information - Lancer) >> Maintenance Service (2.0L Engine Non-Turbo, 2.4L Engine) >> Disk Brake Pads And Rotors >> Inspect For Wear >> Brake Disc Thickness Check

Brake Disc Thickness Check

WARNING: This page is about a different car, the 2015 Mitsubishi Lancer. 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.

    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 > 

    Fig 1: Checking Brake Disc Thickness
    G09618825Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  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.
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