Rear Brake Disc Thickness Check

2015 Kia Forte5 SX, Automatic TransSECTION Rear Brake Disc Thickness Check
  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 ThicknessΒ 

    Standard: 10 mm (0.394 in)

    Service limit: 8.4 mm (0.331 in)

    Deviation: less than 0.01 mm (0.0004 in)

    Fig 1: Checking Rear Brake Disc Thickness
    G09743781Courtesy of KIA MOTORS AMERICA, INC.
  4. If wear exceeds the limit, replace the discs and pad assembly left and right of the vehicle.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.