Fuel Tank, Removing, TFSI Vehicles

WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Engine and Gearbox Jack :VAS6931
Gearbox Support :T40173

Removing

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

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

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 .

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 .

-- 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

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-- Disconnect the connectors -1 and 3- on the sealing flange by unlocking the connector safety catch.

Fig 2: Fuel Pump Connectors

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-- Market-specific version/equipment version: Release the connector safety catch and disconnect the connector -2-.

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

-- Remove the fuel filler door unit. Refer to FUEL FILLER DOOR UNIT, REMOVING AND INSTALLING .

A4:

Fig 3: Locating Fuel Filler Neck Bolts -- A4

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

A5:

Fig 4: Fuel Filler Neck Bolts -- A5

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

Continue All Vehicles

Fig 5: Breather Line From EVAP Canister

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-- Disconnect the breather line -1- from the EVAP canister. Disconnect the connector couplings. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

-- Disengage and free up the bleeder line at the bracket -arrow-.

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

Fig 6: Bleeder Line

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-- Disengage and free up the bleeder line at the bracket -arrow-.

-- Remove the rear underbody trim panels. Refer to OVERVIEW - UNDERBODY TRIM PANELS .

-- Remove the rear section of the exhaust system. Refer to MUFFLER, REMOVING AND INSTALLING .

-- Rest of World market-specific version/equipment version: loosen the lock washer -2- and remove the fuel hose -3- from the metering pump -1-.

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NOTE:

Place a cloth under the separating point to catch any escaping fuel.

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-. Disconnect the connector couplings. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

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Rest of World FWD Vehicles

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-- Place the :T40173 on the :VAS6931 and support as shown on 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 clarity, the fuel tank is shown without the engine and gearbox jack.

-- Lower the fuel tank with the :VAS6931 .

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NOTE:

When guiding out the fuel tank check the clearance to the fuel filler neck.

AWD Vehicles

-- Equipped on some models: remove the diagonal brace. Refer to DIAGONAL BRACES, REMOVING AND INSTALLING .

-- Remove the driveshaft. Refer to the appropriate service information. .

FWD/AWD Vehicles North American Market-Specific Version and Rest of World AWD Vehicles:

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-- Place the :T40173 on the :VAS6931 and support as shown on the fuel tank.

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 through 7-.

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NOTE:

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

-- Lower the fuel tank with the :VAS6931 .

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NOTE:

When guiding out the fuel tank check the clearance to the fuel filler neck.