Operation CHARM: Car repair manuals for everyone.

Wheels: Testing and Inspection




Wheel Runout Inspection

1. Raise the vehicle, and support it with safety stands in the proper locations. Service and Repair

2. Check for bent or deformed wheels.

3. Set up the dial gauge as shown, and measure the axial runout by turning the wheel.

Front and rear wheel axial runout:










4. Reset the dial gauge to the position shown, and measure the radial runout.

Front and rear wheel radial runout:





5. If the wheel runout is not within the specification, check the wheel bearing end play, Testing and Inspection and make sure the mating surfaces on the brake disc or disc/drum, and the inside of the wheel are clean.

6. If the bearing end play is within the specification but the wheel runout is more than the service limit, replace the wheel.