Rim Radial And Lateral Run-Out, Checking: Notes

-- Mount the rim on the Balancing Machine.

Tension the wheel on balancing machine

NOTE:

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

The surface of the wheel trim is very sensitive.

The rim will have to 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

-- Use the Wheel Centering System Adapter:VAS5271  .

-- Preload the Tire Pressure 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

S -  Lateral Run-Out

H -  Radial Run-Out

-- Compare the determined value with the specifications in the table. Refer to Specified Values for Radial and Lateral Run-out on the Rim .