Audi Parking Brake Noise

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Import Car
Providing technical information and service resources to the import vehicle community
European

Audi Tech Tip: Noise From Rear Brakes After Vehicle Is Parked

Audi owners may report sporadically hearing the parking brake being actuated after the vehicle has been switched off. If the customer does not identify the sound as the sound of the parking brake being actuated, he or she may simply complain of hearing noises from the rear brakes.

ImportCar Staff Writers
By ImportCar Staff Writers
Published:
Audi market share numbers

Audi market share numbersModels: All with electro-mechanical parking brake

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Customer may report sporadically hearing the parking brake being actuated after the vehicle has been switched off. If the customer does not identify the sound as the sound of the parking brake being actuated, he or she may simply complain of hearing noises from the rear brakes.

When the noises are heard, the following conditions are present:

• Ignition is switched off.
• Steering is locked.
• Park is selected.
• Parking brake is not engaged.

Technical Background

If the electro-mechanical parking brake is not operated for some time, the free play between brake pads and brake discs increases because of normal brake pad wear.

The parking brake control unit performs an automatic correction about every 621 miles (1,000 km). On A8 models, the brake pad thickness is also calculated.

Explain the technical background to the customer and refer them to the electro-mechanical parking brake section in the owner’s manual section.

Courtesy of ALLDATA.

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