Initial Inspection and Diagnostic Overview

Test requirements:
Explanatory notes on weight codes used in production (PR numbers)

The suspension version installed in the vehicle is indicated by the PR number on the vehicle data sticker.





Example of a vehicle data sticker

In this example, the vehicle is installed with standard suspension, version 1 BA - arrow -.

The vehicle data sticker can be found at the rear of the spare wheel well and in the customers Service Schedule.

1BA = Standard suspension

1BE = Sports suspension (20 mm lower than 1BA)

1BD = Sports suspension (Audi S4)

1BR = Comfort / heavy-duty suspension (13 mm higher than 1BA)

1BV = Sports suspension (Quattro GmbH)

^ Sensors must be properly attached and adjusted; refer to operating instructions of equipment manufacturer.

^ Tread depth difference of no more than 2 mm on one axle.

^ Tires inflated to correct pressures

^ Make sure that the sliding plates and turntables are not touching the end stop when checking alignment.

^ Vehicle unladen *see note

* "Unladen" means: the weight of the vehicle ready for the road (full tank, full windshield washer/headlight cleaner fluid container, spare wheel, vehicle tools and vehicle jack), without driver.

Spare wheel, vehicle tool kit and jack must be in their specified locations.

^ Vehicle accurately aligned, suspension bounced and rocked several times

^ Check suspension, steering and steering linkage for excessive play or damage and service if necessary.

^ Perform wheel rim runout compensation: A certain amount of axial runout at the wheel rims is permissible, but this may already exceed the specified toe-in tolerance. In such cases it is not possible to set the toe-in correctly without compensating for the wheel runout.

Wheel alignment must be checked:

^ If handling or road behavior is poor,

^ If accident damage has occurred,

^ If suspension components have been removed,

^ If tires are worn unevenly.