Fuel Tank With Attachments, Removing And Installing, Rest Of World Vehicles With AWD: Removing

WARNING: This page does not describe the selected car, but rather 23 other vehicles, including the 2017 Audi S5, 2017 Audi A5 Quattro, 2016 Audi S5, 2016 Audi A5 Quattro, and 2015 Audi S5. 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 GUIDELINES FOR CLEAN WORKING CONDITIONS .

CAUTION:

Risk of destroying electronic components when disconnecting the battery.

Observe the steps for disconnecting the battery.

-- Disconnect the battery. Refer to BATTERY .

WARNING:

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

The fuel tank must be empty when removing it.

-- Fuel Tank, Draining. Refer to FUEL TANK, DRAINING, REST OF WORLD VEHICLES WITH AWD .

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

A5 from MY 2011, A4 from MY 2012:

Fig 2: Disconnect Connectors

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-- Disconnect the connector -3- to the auxiliary heater metering pump at the locking flange, if necessary.

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

-- Disconnect the connector -1- on the sealing flange.

-- Push the circlip -1- upward -arrow A- and squeeze the release -arrow B-.

Fig 3: Pulling Lock -1- Upward -Arrow A- & Press -Arrow B-

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A5 from MY 2012, A4 from MY 2013:

Fig 4: View Of Fuel Delivery Unit Harness Connectors

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-- Disconnect the connector -2- to the auxiliary heater metering pump at the locking flange, if necessary.

-- Open the connector locking mechanism with the Elbow Assembly Tool:T10118 and disconnect the connectors -1 and 3- on the locking flange.

Continuation for all vehicles:

Fig 5: Identifying Cap -2-

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-- Open the fuel filler door.

-- Clean the area around the fuel filler tube -1-.

-- Remove the cap -2- from the fuel filler tube.

NOTE:

Seal the opening with a clean piece of foam to prevent dirt from getting into the fuel tank.

Ignore -item 3-.

-- Remove the right rear wheel.

Fig 6: Fuel Filler Tube Ground Connection

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-- Remove the right rear wheel housing liner. Refer to Wheel Housing Liner .

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

-- Remove the rear section from the exhaust system. Refer to EXHAUST PIPES/MUFFLERS [For engine(s) CAED, CAEB, CPMB, CPMA] or EXHAUST PIPES/MUFFLERS [For engine(s) CALA] or EXHAUST PIPES/MUFFLERS [For transmission(s) 0B6] [For engine(s) CAUA] or EXHAUST PIPES/MUFFLERS [For engine(s) CFSA] .

WARNING:

Risk of vehicle tipping on hoist with rear axle removed.

Secure the vehicle on a hoist before loosening the subframe bolts (for example, load the luggage compartment with about 50 kg).

-- Remove the rear axle. Refer to REAR AXLE, REMOVING AND INSTALLING .

Fig 7: View Of Fuel Line Connector -1- At Front Of Fuel Tank

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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.

-- Disconnect the fuel line -1- on the front of the fuel tank on the right side. Refer to CONNECTOR COUPLINGS, SEPARATING .

-- Disconnect the additional fuel line to the auxiliary heater and the connector on the metering pump, if applicable.

-- Disconnect the ventilation line -1- at the left on the EVAP canister. Refer to CONNECTOR COUPLINGS, SEPARATING .

Fig 8: Disconnecting Vent Line -1- From EVAP Canister

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-- Place the Engine and Gearbox Jack under the fuel tank for support.

Fig 9: Identifying Support Fuel Tank Using V.A.G 1383 A

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-- Support the fuel tank with the Engine and Gearbox Jack.

Fig 10: Position fuel tank with mounting strap and carrier plate on the vehicle underbody using the V.A.G 1383 A

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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- and remove the exhaust system bracket -6-.

-- Lower the fuel tank with the Engine and Gearbox Jack while guiding it by hand.