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Home >> Audi >> 2022 >> Q3 Premium Plus >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Hydraulic Components (Brake System) >> 47 Hydraulic Components >> Brake Booster/Brake Master Cylinder >> Brake Fluid Reservoir, Removing And Installing >> Brake Fluid Reservoir, Removing And Installing, Vacuum Brake Booster >> Removing

Brake Fluid Reservoir, Removing And Installing, Vacuum Brake Booster: Removing

CAUTION:

Leaking brake fluid increases the risk of injury.

Risk of skin irritation and injury.

- Wear safety gloves.

-- Open the brake fluid reservoir.

CAUTION:

Risk of accident due to the brakes malfunctioning.

- Brake fluid must never come into contact with fluids containing mineral oils (oil, gasoline, cleaning solutions).

- Wear safety gloves that are free of oil and grease.

-- Extract as much brake fluid as possible from the brake fluid reservoir using the Brake Charger/Bleeder Unit: VAS5234  with the Adapter: VAS5234/1  .

Fig 1: Identifying Brake Charger/Bleeder Unit VAS5234
GWWA47-10166Courtesy of AUDI OF AMERICA, LLC
CAUTION:

There is a risk of contamination and paint damage from leaking brake fluid.

- Rinse off any leaking brake fluid immediately using plenty of water.

Vehicles with 1.5L/2.0L TFSI Engine: 

Fig 2: Identifying Clamps With Air Guide Pipe
GWWA21-10818Courtesy of AUDI OF AMERICA, LLC

-- Loosen the hose clamps -1 and 2- and remove the air duct pipe.

Vehicles with a TDI Engine: 

GWWA21-10785Courtesy of AUDI OF AMERICA, LLC

-- Remove the engine cover. Refer to the appropriate Service Information .

-- Free up the vacuum hoses -arrows-.

-- Loosen the hose clamps -1 and 2- and remove the air duct pipe.

Vehicles with 2.5L TFSI Engine: 

Fig 3: Loosen Clamps And Remove Air Guide Pipe
GWWA24-10719Courtesy of AUDI OF AMERICA, LLC

-- Remove the engine cover. Refer to the appropriate Service Information .

-- Loosen the hose clamps -arrows- and remove the air duct pipe.

Vehicles with Manual Transmission: 

Fig 4: Identifying Supply Hose & Seals
GWWN30-10128Courtesy of AUDI OF AMERICA, LLC

-- Remove the hose -1- for the clutch master cylinder, seal it with the : T10249/1  and tie it up.

Continuation for All Vehicles: 

Fig 5: Brake Lamp Switch -F- /Brake Pedal Switch -F63- Component Location
GWWA46-10191Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -2- for the Brake Fluid Level Warning Switch -F34-.

-- To protect against escaping brake fluid, place enough lint-free cloths in the area below the master brake cylinder.

-- Remove the locating pin -1- or the stud bolt.

GWWN47-10249Courtesy of AUDI OF AMERICA, LLC

-- Pull the brake fluid reservoir -2- out of the plugs.