Front Brake Disc Run-Out 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.

Place a dial gauge about 5mm (0.2 in.) from the outer circumference of the brake disc, and measure the runout of the disc.
Brake Disc Run-Out

Limit: 0.04 mm (0.0016 in.) or less (new one)

Fig 1: Checking Front Brake Disc Runout
Courtesy of KIA MOTORS AMERICA, INC.
If the runout of the brake disc exceeds the limit specification, replace the disc, and then measure the runout again.
If the runout does not exceed the limit specification, install the brake disc after turning it 180° and then check the runout of the brake disc again.
If the runout cannot be corrected by changing the position of the brake disc, replace the brake disc.