Remove brake booster

Preliminary work 

• Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
• Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
• Refer to REMOVING LEFT AND RIGHT WIPER ARM .
• Refer to REMOVING THE COWL COVER .
• Refer to PARTIALLY REMOVING THE MOUNT OF THE HOOD SEAL ON LEFT AND RIGHT .
• Refer to REMOVING TRAILING LINK AT SPRING BOLT .
• Refer to REMOVING EXPANSION TANK .
• Refer to REMOVING THE TANDEM BRAKE MASTER CYLINDER .
• Refer to REMOVING THE TRIM PANEL FOR PEDAL MECHANISM .

• Remove air duct (1)  .

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• Loosen the screws (1)  and remove the cover (2)  .
• Expose brake lines (3)  .

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• Remove check valve (1)  from brake unit in direction of arrow.
• Uncover vacuum line from the holder (2)  .

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• Retract release tool 2 409 646  between brake pedal and brake booster.
• Apply support (1)  of the release tool 2 409 646  on the bearing bracket. If necessary, position the support by rotating the screw on the release tool.

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• Press release tool 2 409 646  in the direction of the arrow and lever the brake pedal off the braking unit.

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• Loosen nuts (1)  .

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• Unscrew the brake booster (1)  from the firewall.

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