Standard Vehicle Height For Axle Alignment On Vehicles With Air Suspension, Checking, AUDI Q8

Checking the standard vehicle height for axle alignment

Before performing an axle alignment on a vehicle with air suspension, check the standard vehicle height and adapt it again if necessary. Explanation of standard vehicle height. Refer to TEST REQUIREMENTS, AUDI Q8 .

-- Initiate and lock the standard vehicle height. Refer to STANDARD VEHICLE HEIGHT, INITIATING AND LOCKING .

Determine the dimension -a-, vehicles without wheel housing extension

Fig 1: Determining Height Dimension -a-

Courtesy of AUDI

-- Determine dimension -a- between the center of the wheel and the lower edge of the fender/wheel housing -1- as shown.

Determine the dimension -a-, vehicles with wheel housing extension

Courtesy of AUDI

-- Determine dimension -a- between the center of the wheel and the lower edge of the fender/wheel housing -1- as shown.

• The fender/wheel housing lower edge -arrow- is a measuring point, not the wheel housing extension lower edge -2-.

  Chassis	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
  	Specified size. Refer to (1).	Tolerance	Specified size. Refer to (1).	Tolerance
  1BK	473 mm	± 7 mm	484 mm	± 7 mm	Less than or equal to 10 mm
  2MA	473 mm	± 7 mm	484 mm	± 7 mm	Less than or equal to 10 mm
  2MB	473 mm	± 7 mm	484 mm	± 7 mm	Less than or equal to 10 mm
  (1) The specified size is based on the standard vehicle height.

  CAUTION:

  Premature wear due to incorrect axle alignment.

  - Only perform the axle alignment if the vehicle is at standard vehicle height.