Standard Vehicle Height For Axle Alignment On Vehicles With Air Suspension, Checking, A7 SPORTBACK
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.
-- Initiate and lock the standard vehicle height. Refer to STANDARD VEHICLE HEIGHT, INITIATING AND LOCKING .
Determine the dimension -a-, vehicles without wheel housing extension
-- Determine dimension -a- between the center of the wheel and the lower edge of the fender/wheel housing as shown.
Determine the dimension -a-, vehicles with wheel housing extension
-- 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-.
Dimension -a- Overview
| 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 | 394 mm | ± 10 mm | 391 mm | ± 10 mm | Less than or equal to 10 mm | ||
| 2MA | 403 mm | ± 10 mm | 399 mm | ± 10 mm | Less than or equal to 10 mm | ||
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Risk of faulty axle alignment.
- Never perform an axle alignment if the vehicle is not at standard vehicle height.
-- Initiate and lock the standard vehicle height. Refer to STANDARD VEHICLE HEIGHT, INITIATING AND LOCKING .