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Home >> Audi >> 2017 >> RS 7 Base >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Fuel System (Service Information - CEUC, CRDB, CTUA, CTGE, CREC, CWUB, CWUC, CREH) >> Fuel Supply >> Fuel Tank >> Fuel Tank, Removing And Installing >> Removing

Fuel Tank, Removing And Installing: Removing

-- 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 . .

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 REAR SEATS . .

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

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

GWWA20-0803

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

GWWA20-10882

-- 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.

GWWA20-11453

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

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

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

GWWA20-10883

-- Remove the rear section from the exhaust system. Refer to EXHAUST PIPES/MUFFLERS (CEUC, CRDB, CTGE, CWUB, CWUC) , EXHAUST PIPES/MUFFLERS (CLAB, CLAA, CDUC, CGQB, CKVB, CKVC, CDUD, CPNB, CTCB, CTCC, CVUA, CVUB) , EXHAUST PIPES/MUFFLERS (CREC, CRED, CREH) & EXHAUST PIPES/MUFFLERS (CGXB, CTUA) . .

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 . .

-- Remove the subframe with attachments. Refer to SUBFRAME . .

-- Remove the exhaust system heat shield. Refer to MOLDING/TRIM/EXTENSIONS/TRIM PANELS . .

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

GWWA20-10968
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.

GWWA20-10884

-- 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 .

-- Place the :VAS6931  under the fuel tank to support it as illustrated.

GWWA20-10443

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

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

Fig 1: Tightening Sequence Of Fuel Tank
GWWA20-10763
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 :VAG1383A  .

-- Remove the bolts -1 to 5-.

-- Lower the fuel tank using the :VAG1383A  while guiding the fuel tank with one hand.