Audi Q7 Owners & Service Manuals

Audi Q7: Wheels and Tires, Vibration

Audi Q7 (4M) 2016-2026 Workshop Manual / Chassis / Wheel and Tire General Information / Wheels and Tires, Vibration

Vibration Causes

There are many causes for vibration. Vibration can also be caused by tire wear, among other things.

Tire wear caused by driving does not always develop evenly over the entire tread. Due to this, a slight imbalance develops which disturbs the smoothness of the formerly accurately balanced wheel.

This slight imbalance cannot yet be felt in the steering wheel, but it is present. It increases the tire wear and consequently reduces the service life of the tire.

Recommendation:

To ensure optimal safety, smoothness and even wear over the entire life of the tire, we recommend balancing the wheels/tires at least twice within the tire service life.

Flat spots in the tires can also cause vibration. Refer to → Chapter "Flat Spots in Tires From Standing".

Flat Spots in Tires From Standing

Flat spots in tires from standing can also cause vibration.

What is a flat spot from standing?

Terms like flat portion and flattening are also used as a term for flat spots from standing.

It is important to recognize a flat spot in the tread from standing as such!

  Note

It is not possible to balance a flat spot.

Flat spots can occur again caused by many different reasons. Flat spots from standing can be corrected without complicated special tools. Providing that the flat spot was not caused by wheel lock during hard braking. Refer to → Chapter "Wear Spots".

  Note

Wear spots due to wheel lock are irreparable! Tires with such damage must be replaced.

Causes of flat spots from standing:

  • The vehicle has been standing for a long time in one place without being moved.
  • Tire pressure is too low.
  • The vehicle was placed in a paint system drying cabinet after painting.
  • The vehicle was parked with warm tires in a cold garage or similar for a long time. In this case, a flat spot can develop overnight.

Flat spots, correcting:

  • Flat spots cannot be removed from tires with workshop equipment.
  • Flat spots cannot be balanced out.
  • Check and correct the tire pressure as necessary.
  • Such flat spots can be "driven out" only by driving the car until the tires are warm.
  • We recommend driving the tires warm and not in cold or winter weather.

  DANGER!

Do not endanger yourself or other persons during this road test.

Observe valid traffic laws and speed limits during the road test!

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