Front
Refer to Brake Rotor/Disc/Specifications for runout specifications.1. Raise and support vehicle, then remove wheels.
2. If applicable, ensure wheel bearings are properly adjusted.
3. Using suitable spacers, install lug nuts or bolts, then tighten to specifications.
4. Mount a dial indicator to a convenient part of the vehicle, such as steering knuckle, tie rod, or caliper housing.
5. Position dial indicator plunger so it contacts the disc at a point one inch from the outer edge.
6. Rotate the rotor and note dial indicator readings. Perform this inspection on both inboard and outboard rotor faces.
7. If runout exceeds specifications proceed as follows:
a. Position rotor on hub, then inspect runout.
b. If runout still exceeds specifications, replace or machine rotor.