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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Fuel Supply >> 20 Fuel Supply >> Fuel Tank >> Fuel Tank, Draining >> Draining A Fuel Tank Less Than 3/4 Full, All Vehicles

Draining A Fuel Tank Less Than 3/4 Full, All Vehicles

Special tools and workshop equipment required 

-- Open the sealing flange. Refer to FUEL DELIVERY UNIT/FUEL LEVEL SENSOR, REMOVING AND INSTALLING .

Fig 1: Identifying Fuel Extraction Unit
GWWA20-11281Courtesy of AUDI OF AMERICA, LLC

-- Pull the sealing flange out of the opening in the fuel tank just a little.

-- Slide the suction hose from the :VAS5190A  into the fuel tank.

-- Siphon fuel with the :VAS5190A  through the opening.

-- AWD Vehicles: Extract the fuel from both the fuel tank chambers through the opening using the :VAS5190A  .