Axle Alignment Control Position, With Air Spring Suspension, Checking

Special tools and workshop equipment required

Vehicle Diagnosis, Testing and Information SystemVAS5051B

Checking

-- Connect VAS5051B and then perform vehicle-specific entry into Guided Fault Finding and select Go To button "function/component selection". Refer to VAS5051 CONNECTING AND SELECTION FUNCTIONS .

Then

-- "Chassis (Repair group 01; 40 - 49)"

-- "34 - Level control (Repair group 01: 43, 44)".

-- "44 - Wheels, tires, vehicle alignment".

-- "KD44 85 - Axle alignment".

NOTE:

Activate vehicle lift mode only after checking or reprogramming height dimensions.

-- Activate vehicle lift mode. Refer to VEHICLE LIFT MODE .

1BK Suspension

-- Front height dimension: 386 mm

-- Rear height dimension: 384 mm

Suspension 1BY

-- Front height dimension: 388 mm

-- Rear height dimension: 380 mm

Determining the Height Dimension -x-

Height dimension -x- is the measurement in mm between center of wheel and lower edge of fender.

-- Measure rim diameter.

Fig 1: Identifying Height Dimension

Courtesy of AUDI OF AMERICA, LLC

The measured value gives dimension: -a-.

-- Measure from upper rim edge vertically to lower fender edge.

The measured value gives dimension: -b-.

Height dimension x is derived from:

x = a : 2 + b.