Draining A Fuel Tank More Than 3/4 Full, TDI Vehicles: Procedure

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-- Follow all safety precautions. Refer to SAFETY PRECAUTIONS .

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

-- Open the fuel filler door.

-- Clean the area around the fuel filler neck.

-- Remove the fuel filler cap -arrow-.

Fig 1: Fuel Filler Cap

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The adapter -1- and cone piece -2- from the :VAS5190A will not be used.

Fig 2: Fuel Extracting Unit VAS5190 Dimension -a-

Courtesy of AUDI OF AMERICA, LLC

Push the adapter -1- on the hose slightly reward.

-- Attach the insulating tape -arrow- to the hose at a distance -a- from the end of the suction hose.

All Except A5 Cabriolet dimension -a- = 990 mm.
A4 Cabriolet dimension -a- = 970 mm.

-- Insert the :T40256 -3- all the way into the fuel filler neck.

Fig 3: :T40256

Courtesy of AUDI OF AMERICA, LLC

-- Slide the suction hose of the :VAS5190A far enough into the fuel tank until the marking applied earlier -arrow- is on the edge of the fuel filler tube.

NOTE:

A flap -1- is located in the fuel tank on the lower end of the fuel filler neck -2-. It must not be damaged by the suction hose from the :VAS5190A . Only slide the hose in as far as the mark that was made earlier -arrow-.

-- Slide the suction hose of the :VAS5190A far enough into the fuel tank until the marking applied earlier -arrow- is on the edge of the fuel filler tube with the funnel -3-.

-- Empty the fuel tank through the fuel filler tube.

-- Carefully remove the suction hose.

NOTE:

When no more fuel can be extracted, the tank is emptied only enough for the sealing flange to be opened without danger.

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

Fig 4: Identifying Fuel Extraction Unit

Courtesy 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 .