Brake Booster, Removing And Installing, Electromechanical Brake Booster: Installing

Install in reverse order of removal and note the following:

• Replace the bolts after removing them.
• Do not let any brake fluid run into the brake booster.

-- Adjust the actuator rod length with the ball head to the correct dimension. Refer to Figure.

-- Before installing the brake booster throughly clean the contact surface on the brake booster and the bulkhead.

• If deformed, service the bulkhead or replace the brake booster.

-- Replace the seal between the brake booster and bulkhead.

-- Install the brake booster with the master brake cylinder.

• After inserting the in the vehicle the brake booster must be flat and completely on the new seal.

-- Insert the brake lines into the brake master cylinder by hand.

-- Tighten the union bolts -arrows- for the brake lines to the required tightening specification -Item  1, -Item  2 and -Item  17.

Courtesy of AUDI OF AMERICA, LLC

-- Install the windshield wiper motor. Refer to WINDSHIELD WIPER MOTOR -V-, REMOVING AND INSTALLING .

-- Install the brake fluid reservoir. Refer to BRAKE FLUID RESERVOIR, REMOVING AND INSTALLING .

-- Install the plenum chamber bulkhead. Refer to PLENUM CHAMBER BULKHEAD, REMOVING AND INSTALLING .

-- Fill the brake fluid reservoir up to the "MIN" mark.

-- Connect the brake pedal to the brake booster. Refer to BRAKE PEDAL, DISCONNECTING FROM BRAKE BOOSTER .

-- Remove all cloths from the vehicle that were previously placed down.

-- Bleed the brake system. Refer to HYDRAULIC SYSTEM, BLEEDING .