Fuel Tank, Removing And Installing, All Wheel Drive Vehicles: Removing

WARNING: This page is about a different variant/trim than selected.

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

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

-- Move the front seats all the way forward.

-- Switch off the ignition.

CAUTION:

Risk of destroying electronic components when disconnecting the battery.

Follow the steps for disconnecting the battery.

-- Disconnect the ground cable from the battery terminal. Refer to BATTERY, DISCONNECTING AND CONNECTING .

TT Coupe:

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

TT Roadster:

-- Remove the right rear panel trim panel. Refer to REAR PANEL TRIM PANEL, REMOVING AND INSTALLING .

-- Remove the right rear bulkhead plate. Refer to the appropriate Service Information.

Continuation for All Vehicles:

WARNING:

Risk of accident due to the weight of the fuel tank.

The fuel tank must be empty when removing it.

-- Drain the fuel tank. Refer to FUEL TANK, DRAINING .

-- Unclip the right sealing flange cover -1- at the tabs in direction of -arrows- using the : 3409 .

Fig 1: Fuel Pump Cover (Under Rear/Bench Seat)

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-- Disconnect the connectors -1 and 2- on the sealing flange by releasing the connector safety catch.

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-- Lift the tab -2- in direction of -arrow A- so that it is possible to reach between the floor panel and the fuel tank.

-- At the same time, carefully remove the Fuel Pump Control Module -J538- -1- from the mount in direction of -arrow B-.

Fig 2: Fuel Pump Control Module -J538- -1-

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-- Unclip the left sealing flange cover -1- at the tabs in direction of -arrows- using the : 3409 .

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-- Disconnect the all wheel drive clutch connector -arrow- by unlocking the connector safety catch.

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-- Open the fuel filler door.

-- Clean the area around the fuel filler neck.

-- Loosen the rubber boot on the fuel filler neck.

NOTE:

Seal the fuel filler tube opening with a clean plug to prevent dirt from getting into the tube.

-- Remove the right rear wheel housing liner. Refer to REAR WHEEL HOUSING LINER, REMOVING AND INSTALLING .

-- Disconnect the ventilation lines -1 and 2- on the EVAP canister. Disconnect the connector couplings. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

Vehicles through MY 2018:

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-- Disconnect the bleeder line -1 and 2- on the EVAP canister. Disconnect the connector couplings. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

-- Unclip the breather line from bracket -arrows-.

-- Vehicles with electronic damping (Audi magnetic ride): disconnect the connector -2- and free up on the clip -4-.

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-- Remove the fuel filler tube bolts -1 and 3-.

Vehicles from MY 2019:

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-- Disconnect the bleeder line -1 and 2- on the EVAP canister. Disconnect the connector couplings. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

-- Unclip and free up the breather line on the bracket.

-- Vehicles with electronic damping (Audi magnetic ride): disconnect the connector -3- and free up the wire on the fuel filler neck.

-- Remove the fuel filler neck bolts -arrows-.

Market-Specific for North America:

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-- Remove the EVAP canister. Refer to EVAP CANISTER, REMOVING AND INSTALLING, VEHICLES WITH Fuel Tank Pressure Sensor - G400- / Fuel Tank Leak Detection Module - GX36- .

-- Disconnect the connector -2- to release the connector safety catch.

-- Remove the fuel filler tube bolts -1 and 3-.

Continuation for All Vehicles:

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-- Remove the right and left rear underbody trim panel. Refer to UNDERBODY TRIM PANELS, REMOVING AND INSTALLING .

-- Remove the rear underbody trim panel bracket -arrow-.

-- Remove the rear section of the exhaust system. Refer to MUFFLER, REMOVING AND INSTALLING [CNTC, CYFB] or MUFFLER, REMOVING AND INSTALLING [DAZA, DNWA] .

-- Remove the driveshaft. Refer to the appropriate Service Information .

-- Disconnect the all wheel drive clutch connector -arrow- by unlocking the connector safety catch.

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Courtesy of AUDI OF AMERICA, LLC

WARNING:

Risk of injury due to the fuel being under high pressure.

To reduce the pressure in the fuel system, lay clean cloths around the connection point and carefully loosen the connection point.

-- Disconnect the breather line -2- and the fuel line -1-. Disconnect the connector couplings. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

TT Roadster:

-- Remove the diagonal braces. Refer to DIAGONAL BRACES, REMOVING AND INSTALLING .

Continuation for All Vehicles:

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-- Place the Engine and Gearbox Jack under the fuel tank to support it as shown.

-- A second technician is needed to hold the rear edge of the fuel tank.

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WARNING:

Risk of accident due to the weight of the fuel tank.

The fuel tank must be empty when removing it.

-- Remove the bolts -1 to 5-.

NOTE:

For reasons of clarity, the fuel tank is shown without the engine and gearbox jack.

-- Lower the fuel tank using the engine and gearbox jack.

-- Turn the fuel tank in the corresponding direction to lower it downward at its side and remove it.

-- A second mechanic is required to guide out the fuel filler neck by hand at the longitudinal member.