Tire and Wheel Runout

1. Check wheel and tire runout with the tires inflated to the normal load inflation pressure.
2. To ensure accurate results, make the checks with a dial indicator or Rotunda Radial Runout Gauge 007-0056A or equivalent, immediately after the road test. If time is allowed to pass between the road test and the runout checks, the tires may develop slight fiat spots, which can affect the accuracy of the tire runout checks.
3. Measure tire radial runout at the center and outside ribs of the tread face. It may be necessary to put tape on the tire tread to keep the dial indicator roller from falling into tread block grooves in the tread. Measure the lateral runout just above the letters identifying the tire size.
4. Measure wheel radial runout at the wheel rim along the inside edge of the flange.