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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 655 (Fuel Supply System - Engine Code(S): CAEB, CALB, CHJA, CPMA, CPMB, CTUC & CTUD) >> 20 Fuel Supply System >> Fuel Tank >> Fuel Tank, Removing And Installing >> Fuel Tank With Attachments, Removing And Installing, Not For USA Vehicles >> Removing

Fuel Tank With Attachments, Removing And Installing, Not For USA Vehicles: Removing

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

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

-- Move the passenger seat all the way forward if necessary.

WARNING:

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

Fig 1: Identifying Battery Ground (GND)
GWWA27-10176Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Risk of damaging electronic components when disconnecting the battery.

  • Observe the steps for disconnecting the battery.

-- Disconnecting the battery -arrow-, refer to BATTERY, DISCONNECTING AND CONNECTING .

-- Remove 1/3 of the rear seat, refer to REAR SEAT, REMOVING AND INSTALLING .

Fig 2: Identifying Locking Flange Cover & Bolts -Arrows-
GWWA20-10514Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and remove the sealing flange cover -1-.

Vehicles through MY 2012: 

Fig 3: Identifying Connector -1- On Locking Flange
GWWA20-10532Courtesy of AUDI OF AMERICA, LLC

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

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

Fig 4: Pulling Lock -1- Upward -Arrow A- & Press -Arrow B-
GWWA97-10641Courtesy of AUDI OF AMERICA, LLC

Vehicles from MY 2013: 

Fig 5: Disconnecting Connector -2- On Locking Flange
GWWA20-11179Courtesy of AUDI OF AMERICA, LLC

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

-- Disconnect the connector -2- on the sealing flange.

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

Fig 6: Pulling Lock -1- Upward -Arrow A- & Press -Arrow B-
GWWA97-10641Courtesy of AUDI OF AMERICA, LLC

Continuation for all vehicles: 

Fig 7: Identifying Fuel Filler Cap (Fuel Cap)
GWWA20-1253Courtesy of AUDI OF AMERICA, LLC

-- Open the fuel filler door.

-- Clean the area around the fuel filler tube.

-- Remove the locking cap -arrow- from the fuel filler tube.

NOTE:

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

-- Remove the right rear wheel.

Fig 8: Fuel Filler Tube Ground Connection
GWWA20-10398Courtesy of AUDI OF AMERICA, LLC

-- Remove the right rear wheel housing liner, refer to WHEEL HOUSING LINER .

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

NOTE:

Ignore -items 3 to 7-.

-- Remove the rear section from the exhaust system, refer to OVERVIEW - MUFFLER .

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 DRIVE AXLE , also see OVERVIEW - REAR AXLE .

Fig 9: Subframe Bolts
GWWA42-10313Courtesy of AUDI OF AMERICA, LLC

-- Remove the right center underbody panel, refer to OVERVIEW - UNDERBODY PANELS .

Fig 10: Identifying Bracket, Bolts And Nuts
GWWA20-10518Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1 and 3-, nuts -4- and bracket -2-.

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.

-- Press the release button and disconnect the right front fuel line -1- from the fuel tank.

Fig 11: Right Front Fuel Line -1- Connector
GWWA20-10536Courtesy of AUDI OF AMERICA, LLC

-- Press the release and disconnect the fuel line -1- on the metering pump on vehicles with an auxiliary heater.

Fig 12: Fuel Line -1- On Metering Pump On Vehicles With An Auxiliary Heater
GWWA20-10520Courtesy of AUDI OF AMERICA, LLC

-- Open the latch -2- with a screwdriver and disengage the bracket -3- with the metering pump for the auxiliary heater on the fuel tank in -direction of arrow-.

-- Press the release button and disconnect the vent line -1- on the EVAP canister.

Fig 13: Disconnecting Vent Line -1- From EVAP Canister
GWWA20-10419Courtesy of AUDI OF AMERICA, LLC

-- Place the Engine and Gearbox Jack VAS6931 under the fuel tank for support.

Fig 14: Placing VAG 1383 A Under Fuel Tank
GWWA20-10399Courtesy of AUDI OF AMERICA, LLC

-- Support the fuel tank using the Engine and Gearbox Jack VAS6931.

Fig 15: Installing Exhaust System Bracket -2- & Tighten Bolts -1 Through 6-
GWWA20-10400Courtesy of AUDI OF AMERICA, LLC
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- and remove the exhaust system bracket -2-.

-- Remove the bolts -3 to 6-.

-- Lower the fuel tank using the Engine and Gearbox Jack VAS6931 while guiding the fuel tank with one hand.