RADIAL AND LATERAL RUN-OUT ON WHEEL/TIRE, CHECKING WITH Wheel Centering System Adapter:VAS5271

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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

Checking Lateral Run-Out

-- Preload the Tire Pressure Gauge approximately 2 mm.

-- Position the Tire Pressure Gauge on the side wall of the tire.

Fig 2: Checking Lateral Run-Out

Courtesy of AUDI

-- Rotate the wheel slowly.

-- Note the smallest and the largest dial readings.

NOTE:

If the difference is greater than 1.3 mm, the lateral run-out is too great.

In this case, lateral run-out can be reduced by matched mounting of the tire. Refer to WHEELS AND TIRES, MATCHING .

Peak values on the Tire Pressure Gauge due to small irregularities in the rubber may be disregarded.

Checking Radial Run-Out

-- Preload the Tire Pressure Gauge approximately 2 mm.

-- Position the Tire Pressure Gauge on the tire tread.

Fig 3: Checking Radial Run-Out

Courtesy of AUDI

-- Rotate the wheel slowly.

-- Note the smallest and the largest dial readings.

NOTE:

If the difference is greater than 1 mm, the radial run-out is too great.

In this case, radial run-out can be reduced by matched mounting of the tire. Refer to WHEELS AND TIRES, MATCHING .