Audi A4: Vehicles with Coil Springs, Checking the Curb Weight Position for Axle Alignment
The curb weight position must be checked before beginning an axle alignment on vehicles with coil springs. Explanation of the curb weight position.
Determine the Dimension -a-
- Determine dimension -a- between the center of the wheel and the lower edge of the fender/wheel housing as shown.
Dimension -a- Overview
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Note
If the curb weight position is not OK, then a correct axle alignment cannot be performed.
Axle Alignment Specified Values
Conditions
- The specified adjustment values correspond to the curb weight position. To determine the curb weight position, the dimension -a- between the center of the wheel and the lower edge of the fender/wheel housing must be determined. If the curb weight position is not OK, then a correct axle alignment cannot be performed.
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1) Wheel stop on outer wheel is reduced by this amount. It can also be indicated negatively in the wheel alignment computer depending on manufacturer.
2) Electronic Damping
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3) Electronic Damping
Additional Vehicle Data
This additional vehicle data only serves for a faster diagnosis in the case of accidents.
Table. Refer to → Chapter "Chassis".
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Rear Axle Camber, Adjusting
Caution
This procedure contains mandatory replaceable parts.
Refer to component overview and parts catalog prior to
starting procedure.
Mandatory Replacement Parts
Nut - for Adjusting Bol
Front Axle Camber, Centering
Note
Camber cannot be adjusted.
Camber can be centered evenly within specified tolerance
range by shifting subframe.
Procedure
- Remove the noise insulation. Refer to
→ Body
Dynamic Steering
Overview - Dynamic Steering
1 - Steering Gear
with Power Steering Control Module -J500-
2 - Electromechanical Power Steering Motor -V187-
Steering column component
Do not di
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Multimedia connections
USB adapter
Fig. 151 Audi Genuine Accessories: USB adapter
You can connect your mobile devices through the
Audi music interface to the MMI using the USB
adapter and charge the battery at the same time.
You can purchase the USB adapter cable from an
authorized Audi dealer or at specialty stores:
A/C System, Operating after Charging
Note
If the mechanically driven Air Conditioning (A/C) compressor
was removed, rotate it approximately 10 times by hand before
using it for the first time (during or after installing, for
example before installing the belt) to prevent damage caused by
liquid impact when first switched
