Fuel Tank, Removing And Installing: Removing

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2015 Audi RS 7, 2015 Audi A7 Quattro, 2014 Audi S7, 2014 Audi RS 7, and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

-- Follow all safety precautions, refer to SAFETY PRECAUTIONS .

-- Follow the guidelines for clean working conditions, refer to CLEAN WORKING CONDITIONS .

CAUTION:

Risk of damaging electronic components when disconnecting the battery.

Complete 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 rear bench seat, refer to SEAT BENCH/SINGLE SEAT, REMOVING AND INSTALLING .

Fig 1: Identifying Cover Bolts For Locking Flange

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-- Fold the insulation mat near the locking flange cover to the side.

-- Remove the bolts -arrows- and the locking flange cover.

-- Open the connector locking mechanism with the Elbow Assembly Tool T10118 and disconnect the connectors -1 and 2- on the locking flange.

Fig 2: Identifying Connectors

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-- Open the fuel filler door.

NOTE:

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

-- Clean the area around the fuel filler tube.

-- Remove the cap -2- for the fuel filler.

-- Disengage the rubber boot -3- from the fuel filler tube -1-.

Fig 3: Identifying Cap -2-

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

Fig 4: Locating Fuel Filler Tube Bolts

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-- Remove fuel filler tube bolts -1- and -2-.

-- Remove the rear section from the exhaust system, refer to FOR ENGINE(S) CPNB - MUFFLER, REMOVING AND INSTALLING , FOR ENGINE(S) CGXB & CTUA - EXHAUST PIPES/MUFFLERS or FOR ENGINE(S) CEUC & CRDB - MUFFLER, REMOVING AND INSTALLING .

WARNING:

Risk of vehicle tipping on hoist with rear axle removed.

Secure the vehicle on the hoist before loosening the subframe bolts, refer to SUBFRAME, SECURING .

-- Remove the subframe with attachments, refer to SUBFRAME, REMOVING AND INSTALLING .

-- Remove the exhaust system heat shield, refer to FLOOR HEAT SHIELD, REMOVING AND INSTALLING .

-- Disconnect the breather line -1- on the EVAP canister. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .

Fig 5: Locating Breather Line

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WARNING:

There is a risk of injury because the fuel is under high pressure.

To reduce pressure in fuel system, lay a clean cloth around the connector and carefully loosen connector.

-- Vehicles with parking heater: Remove the fuel line -1- from the parking heater.

-- Disconnect the fuel line -2- on the front of the fuel tank on the right side. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .

Fig 6: Identifying Fuel Line

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-- Place the Engine and Gearbox Jack VAS 6931 under the fuel tank to support it as illustrated.

Fig 7: Identifying Support Fuel Tank Using VAG 1383 A

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

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

WARNING:

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

The fuel tank must be empty when removing it.

NOTE:

To improve clarity, the fuel tank is shown without the Engine/Transmission Jack.

-- Remove the bolts -1 to 5-.

-- Lower the fuel tank using the Engine/Gearbox Jack VAG 1383A while guiding the fuel tank with one hand.

Fig 8: Identifying Fuel Tank Bolts

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