TFSI Vehicles, Draining: Procedure

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2020 Audi S4, 2019 Audi S4, 2019 Audi A4 allroad, 2019 Audi A4, and 2018 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

-- Observe the safety instructions. Refer to SAFETY PRECAUTIONS .

-- Follow the guidelines for clean working conditions. Refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .

-- Remove The Fuel Filler Cap.

-- Move the front seats all the way forward into the highest position.

-- Remove the bench seat / single seat. Refer to BENCH SEAT/SINGLE SEAT, REMOVING AND INSTALLING .

-- Remove the bolts -arrows- and remove the sealing flange cover -1-.

Fig 1: Sealing Flange Cover (Under Rear Seat)

Courtesy of AUDI OF AMERICA, LLC

Fig 2: Fuel Pump Connectors

Courtesy of AUDI OF AMERICA, LLC

WARNING:

The fuel system is under pressure.

Risk of injury from fuel spraying out.

Wear protective eyewear.
Wear safety gloves.
Reduce the pressure: place clean cloths around the connection point and carefully open the connection point.

-- Disconnect the fuel line -arrow- from the sealing flange. Disconnect the connector couplings. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

-- Connect the suction hose to the :VAS5190/4 on the sealing flange supply connection.

Courtesy of AUDI OF AMERICA, LLC

-- Discharge the fuel tank with the :VAS5190A through the sealing flange supply connection.