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Axle Alignment Control Position On Vehicles With Air Suspension, Checking

Axle Alignment Control Position, Checking

Before performing an axle alignment on a vehicle with air suspension, check the curb weight or control position and adapt it again if necessary.

-- Start the axle alignment using the Vehicle Diagnostic Tester in "Guided Functions".

Determining the Height Dimension -a-

Fig 1: Lifting To Curb Weight Position
GWWA44-10192Courtesy of AUDI OF AMERICA, LLC

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

-- Determine dimension -a- between the center of the wheel and the lower edge of the fender/wheel housing as illustrated.

Height Dimensions Overview

Chassis Level Distance between the center of the wheel and the lower edge of the fender/wheel housing
    Front Axle Rear axle Tolerance between the right and left
Nominal dimension Drift Nominal dimension Drift
1BK auto 410 mm ± 7 mm 405 mm ± 7 mm <= 10 mm
2MA/2MB auto 400 mm ± 7 mm 395 mm ± 7 mm <= 10 mm
1BY auto 418 mm ± 7 mm 413 mm ± 7 mm <= 10 mm