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Bleeding brake system
Bleeding brake system
Important
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◆ Do not under any circumstances allow brake fluid to come into contact with liquids which contain mineral oils (e.g. oil, petrol, cleaning agents). Mineral oils damage the plugs and seals in the brake system.
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◆ Brake fluid is poisonous and must on no account be siphoned by mouth through a hose. Because of its caustic properties it must also not come into contact with paintwork.
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◆ Brake fluid is hygroscopic, i.e. it absorbs moisture from the surrounding atmosphere. It is thus always to be kept in containers with an air-tight seal.
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◆ Always observe the relevant environmental regulations for disposal.
Notes:
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◆ Only use fresh brake fluid as per US Standard
FMVSS 116 DOT 4.
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◆ Genuine VW/Audi brake fluid complies with this specification.
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◆ Use plenty of water to flush away any brake fluid spillage.
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◆ When the system is open do not work with compressed air and do not move the vehicle.
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◆ During the concluding road test, ensure that an ABS-controlled brake application is carried out at least once (can be felt from the pulsing of the brake pedal).
Bleeding brake system with brake filling and bleeding unit V.A.G 1869
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‒ Connect V.A.G 1869.
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‒ Open bleeder screws in the specified order and bleed brake calipers.
Bleeding sequence
- 1 - Rear right brake caliper
- 2 - Rear left brake caliper
- 3 - Front right brake caliper
- 4 - Front left brake caliper
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