RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
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Remove the nuts for the brake master cylinder - 1 -.
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Carefully remove the brake master cylinder from the brake booster.
Installing
When installing, note the following points:
‹› Clean any residual brake fluid off the plenum chamber before installing the brake master cylinder.
‹› When assembling the brake master cylinder with the brake booster unit, make sure the push rod is properly positioned in the brake master cylinder.
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Adjust the brake light switch.
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Bleed the brake system. Refer to => [ Brake System Bleeding ] See: Brake Bleeding/Service and Repair/Brake System Bleeding.