Generally, the braking system of the Audi has a brake booster that is used for operating the brakes safely when you put step on the brake pedal. Moreover, it is located in the middle of the master cylinder and brake pedal. If the brake booster is not functioning properly or damaged for any reason, then you have to put a lot of pressure on the brake pedal to slow down the Audi. The following video define the symptoms of a bad brake booster in Audi.
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