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Home >> Audi >> 2014 >> A5 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Hydraulic Components - Brake System (Coupe)) >> 47 Hydraulic Components >> Removal And Installation >> Brake Booster >> Installing

Brake Booster: Installing

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-- Insert the brake booster in the vehicle.

Make sure the seal is seated correctly.

-- Install the bolts from the brake booster -1- to the mounting bracket and tighten them.

Fig 1: Brake Booster Bolts, Brake Lines & Brake Master Cylinder Bolts
GWWA47-0186Courtesy of AUDI OF AMERICA, LLC

-- Press the vacuum line -3- into the brake booster.

Fig 2: Identifying Brake Master Cylinder Bolts
GWWA47-10019Courtesy of AUDI OF AMERICA, LLC

-- Install the brake master cylinder, refer to MASTER BRAKE CYLINDER .

-- Install the brake fluid reservoir, refer to BRAKE FLUID RESERVOIR .

-- With manual transmissions, insert the clutch hydraulic line -5- into the brake fluid reservoir.

Fig 3: Identifying Brake Master Cylinder Components
GWWA47-10054Courtesy of AUDI OF AMERICA, LLC

-- Fill the brake fluid up to the marking.

-- Bleed the brake system, refer to BRAKE SYSTEM, BLEEDING .

-- With manual transmissions, bleed the clutch, refer to General Information (0B2) or to [For engine(s) CAUA] General Information (0B4) .

-- Install the plenum chamber bulkhead, refer to OVERVIEW - BULKHEAD .

-- Install the tower brace, refer to TOWER BRACE, REMOVING AND INSTALLING .

-- Install the engine cover.

-- Install plenum chamber cover, refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .

Brake Pedal and Brake Booster, Connecting 

-- Hold the push rod ball head in front of the mount and push the brake pedal toward the brake booster, so that the ball head clicks into place.

-- Install the brake lamp sensor, refer to BRAKE LAMP SENSOR .

-- Install the footwell vent -A-.

Fig 4: Identifying Footwell Vents
GWWA87-10491Courtesy of AUDI OF AMERICA, LLC

-- Connect the connector -C- on the footwell vent.

-- Install the driver side storage compartment -1 to 3-.

Fig 5: Identifying Driver Side Storage Compartment
GWWA68-10158Courtesy of AUDI OF AMERICA, LLC