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Home >> Porsche >> 2023 >> Cayenne Base, 4D Utility Coupe >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (47 Brakes - Brake Hydraulic System, Regulator, Booster 2.9L -- 9YA - Cayenne (9YA)) >> WM, 477019 Removing And Reinstalling Brake Booster >> Installing Brake Booster

Installing Brake Booster

WARNING: This page is about a different variant/trim than selected.

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Fit the vacuum line before connecting the brake booster and brake pedal.

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The brake booster must not be handled in the input rod/bellows area.

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Always replace brake boosters on which the push rod has pushed past the brake pedal clip and the screws have been tightened to their final tightening torque.

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The stoppers must not be removed until immediately before guiding on the brake pressure lines.

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Make sure not to get the brake lines mixed up.

  1. Installation is performed in reverse order. Fay particular attention to the following:
    1. 1.1  Tighten screws securing brake booster to the body.

      > Tightening torque 25 Nm (19 ftlb.)