RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
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Use release tool T40024 to separate brake pedal from brake booster.
Extracting brake fluid using brake filler/bleeder unit VAS 5234
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Remove plenum chamber cover.
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Lay out sufficient lint-free cloths in area of plenum chamber.
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Open brake fluid reservoir.
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Extract brake fluid.