Audi Q7: General Information, Safety Precautions
General Information
Suspension
Note
- The specified values apply to all engine versions.
- Front/rear track width only applies to 255/65R18 tires on 8Jx18 rims.
- Track widths change when using different wheel/tire combinations.
- The specified size applies to equipment levels with air suspension on the standard vehicle height.
Steering
Tire Types
General information on wheel/tire combinations, winter tires, snow chain, recommended tire manufacturers. Refer to Wheel and Tire Guide.
Drive Axle General Information
Lightly coat the splines on the outer joint with assembly paste before installing the outer joint into the wheel hub. Refer to the Parts Catalog.
Do not let the drive axle hang down. The inner joint could be damaged if it is bent too far.
The wheel bearing must not be under load when the drive axle threaded connection on the wheel side is loose.
If the wheel bearings are loaded with the vehicle weight then the wheel bearing will be damaged. This reduces the service life of the wheel bearings. Observe the following when doing so:
- Procedure for loosening drive axle to wheel hub bolted connection. Refer to → Chapter "Drive Axle Threaded Connection, Loosening and Tightening".
Vehicles without a drive axle must not be moved, otherwise the wheel bearing will be damaged. If the vehicle must be moved, be sure to note the following:
- Install an outer joint in place of the drive axle.
- Tighten the outer joint to 200 Nm.
Safety Precautions
Safety Precautions when Working on Vehicles with Start/Stop System
There is a risk of injury due to the engine starting unexpectedly.
The engine can start unexpectedly on vehicles with an activated Start/Stop System. A message in the instrument cluster indicates whether the Start/Stop System is activated.
- Deactivating the Start/Stop System: Switch off the ignition.
Safety Precautions when Working on Subframe
Note the following when working on the subframe:
Caution
There is a risk of damaging the suspension components.
- If the subframe mount, steering gear or subframe crossbrace are not installed correctly, do not rest the vehicle on its wheels.
- Supporting the vehicle at the subframe or the subframe crossbrace (for example, using a floor jack or similar device) is not permitted.
Safety Precautions during Road Test with Testing Equipment
There is a risk of injury caused by unsecured testing equipment.
If the front passenger airbag deploys during an accident, unsecured testing equipment becomes a dangerous projectile.
- Secure the testing equipment on the rear seat.
or
- Have a second person operate the testing equipment on the rear seat.
