A8L V8-4.2L (BFM) (2004)
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Close left front and left rear bleeder screws.
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Do not remove brake pedal depressor V.A.G 1869/2.
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Lay out sufficient lint-free cloths in area below control module and hydraulic unit.
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Mark brake lines.
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Disconnect brake lines from hydraulic unit to brake master cylinder -3- and tie up.
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Disconnect remaining brake lines -2- on hydraulic unit.
WARNING: Take care not to bend brake lines in the vicinity of the hydraulic unit.
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Seal brake lines and threaded holes with plugs from repair kit.
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Release control unit connector -arrow- and unplug.
Note:
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Protect connector housing of control module against escaping brake fluid. Otherwise corroding contacts can cause a breakdown of the system.
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Carefully clean a moist or dirty connector housing with compressed air.
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Release retaining clips on both sides from below -1-.