Rim Radial And Lateral Run-Out, Checking: Notes

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-- Mount the rim on the wheel balancer.

NOTE:

Be careful not to scratch off the glued- on wheel trim on these rims.

The surface of the wheel trim is very sensitive.

The rim will have be replaced if the wheel trim is damaged.

The wheel trim cannot be replaced.

Fig 1: Identifying Wheel Rims With Glued-On Wheel Trim

Courtesy of AUDI OF AMERICA, LLC

-- Use the Wheel Centering System Adapter VAS 5271.

-- Preload tire dial gauge approximately 2 mm.

-- Turn the rim slowly.

-- Note the smallest and the largest dial readings.

Fig 2: Identifying Areas To Check Wheel For Radial Run-Out & Lateral Run-Out

Courtesy of AUDI OF AMERICA, LLC

S -

Lateral Run-Out

H -

Radial Run-Out

-- Compare determined value with specifications in the table.

NOTE:

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