Front Brake Disc Thickness Check

WARNING: This page is about a different car, the 2018 Kia Forte5 and 2018 Kia Forte. However, it is still accessible from the selected car via links, so may be relevant.

Check the brake pads for wear and fade.
Check the brake disc for damage and cracks.
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.
Front Brake Disc Thickness
- Standard: 23 mm (0.91 in)
- Service Limit: 21 mm (0.83 in)
Deviation: Less than 0.005 mm (0.0002 in)

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