Axle Alignment Control Position On Vehicles With Air Suspension, Checking

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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: Determining Height Dimension -a-

Courtesy 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

Sportback

Suspension	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	Tolerance between the right and left
Standard suspension 1BK	Normal	386 mm	± 10 mm	384 mm	± 10 mm	<= 10 mm
RS suspension (2MA)	Normal	386 mm	± 10 mm	384 mm	± 10 mm	<= 10 mm
Sport suspension 2MB	Normal	386 mm	± 10 mm	384 mm	± 10 mm	<= 10 mm
Heavy duty suspension 1BS	Normal	391 mm	± 10 mm	389 mm	± 10 mm	<= 10 mm

Sedan/Avant

Suspension	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	Tolerance between the right and left
Standard suspension 1BK	Normal	384 mm	± 10 mm	382 mm	± 10 mm	<= 10 mm
RS suspension (2MA)	Normal	384 mm	± 10 mm	382 mm	± 10 mm	<= 10 mm
Sport suspension 2MB	Normal	384 mm	± 10 mm	382 mm	± 10 mm	<= 10 mm
Heavy duty suspension 1BS	Normal	389 mm	± 10 mm	387 mm	± 10 mm	<= 10 mm
allroad 1BY	Normal	393 mm	± 10 mm	390 mm	± 10 mm	<= 10 mm