A3 L4-2.0L Turbo (BPY) (2006)
Brake Bleeding: Service and Repair
Brake System, Bleeding Without Brake Filler/Bleeder Unit
Brake System, Bleeding without Brake Filler/Bleeder Unit
‹› Make sure that the brake fluid reservoir is always filled.
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Remove protective cap from the brake caliper bleeder screw and connect bleeder bottle hose to bleeder screw.
Bleeding sequence => [ Bleeding sequence ] See: Brake System, Bleeding with Brake Filler/Bleeder Unit
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Build-up brake pressure in brake system by pumping brake pedal.
‹› Slowly depress the brake pedal to prevent the formation of bubbles.
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As soon as pressure is built up, hold brake pedal in depressed position.
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Open bleeder screw, with bleeder bottle hose connected, until pressure is relieved (pedal drops).
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Hold pedal in completely depressed position and close bleeder screw.
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Release brake pedal and wait approx. 2 seconds so that brake fluid can flow out of brake fluid reservoir.
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Repeat procedure until brake fluid flows out clear and free of bubbles.
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Tighten bleeder screw to 10 Nm, pull off bleeder hose and place protective cap onto bleeder screw.
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Repeat bleeding procedure in specified sequence on remaining brake calipers.
‹› System must be pre-bled when a chamber in the brake fluid reservoir is completely empty (e.g. brake system leaking) => [ Pre-bleeding ] See:
Brake System, Bleeding if Brake Fluid Reservoir is Empty.
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Fill brake fluid reservoir, under consideration of brake pad wear, up to max marking and screw on sealing cap.
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Start engine and test brake pedal travel and brake pedal pressure.
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If brake pedal travel is too far, check brake system for leaks and/or repeat bleeding procedure.
Changing brake fluid