Operation CHARM: Car repair manuals for everyone.

Checking Radial and Lateral Run of Wheel






Checking Radial and Lateral Run of Wheel

- Mount the disc wheel on the wheel balancer.

- Use the centering system for wheel balancing machines (VAS 5271).

- Load the tire dial gauge approximately 2 mm.

- Slowly turn the disc wheel.

- Note the smallest and the largest dial readings.






S Lateral Run-Out
H Radial Run-Out

- Compare determined value with specifications in the table.

Peak values on the tire dial gauge due to small irregularities may be disregarded.

Specifications for radial and lateral run-out on disc wheel






If the measured value exceeds the specified value, no acceptable smooth running can be attained.