Fuel Tank, Removing, TFSI Vehicles

Special tools and workshop equipment required 

• Scissor Lift Table - Audi Set - Mounting Pin:VAS6131/10-2  from Scissor Lift Table - Audi Set:VAS6131/10 
  Fig 1: Identifying Scissor Lift Table - Audi Set VAS 6131/10

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• Mount : VAS6131/13-2  and Plate:VAS6131/13-4  from the VAS6131/13:Scissor Lift Table - Q7 Set 
  Fig 2: Identifying Scissor Lift Table - Q7 Set VAS 6131/13

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• Engine and Gearbox Jack:VAS6931 
  Fig 3: Engine and Gearbox Jack VAS6931 or VAG1383A

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• Rear Axle Support: T10552  without Mounting Pin Threaded Sleeve: T10552/1  and Support : T10552/2 
  Fig 4: Rear Axle Support without Mounting Pin Threaded Sleeve and Support

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• M8x25 bolts

Tool Preparation

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-- Loosen the bolts -arrows-.

-- Adjust the dimension -a-.

• Dimension -a- = 250 mm.

-- Tighten the bolts to 10 Nm.

-- Position the Plate :VAS6131/13-4  with nut from the : T10552/2  and the bolt (M8X25) -arrow- on the Rear Axle Support:T10552  .

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-- Bolt the Support Taper:VAS6131/10-2  with the Universal Support :VAS6131/13-2  on the plate.

-- Adjust the Plate: VAS6131/13-4  with the mounts to dimension -a-.

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• Dimension -a- = 475 mm

-- Tighten the bolt -arrow- to 10 Nm.

Removing

-- Pay attention to the safety precautions. Refer to SAFETY PRECAUTIONS .

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

Vehicles with High-Voltage System:

-- De-energize the high-voltage system. Refer to [For engine(s) DPAA] High-Voltage System, De-Energizing .

Continuation for All Vehicles:

-- Disconnect the battery. Refer to BATTERY A, DISCONNECTING AND CONNECTING, VEHICLES WITH ALTERNATIVE DRIVE SYSTEM, (0K4) .

-- Drain the fuel tank. Refer to FUEL TANK, DRAINING .

-- Remove the bench seat. Refer to REAR BENCH SEAT, REMOVING AND INSTALLING .

-- Fold the insulation mat over the sealing flange cover to the side. Separate it at the perforations if necessary to do so.

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

-- Disconnect the connectors -1 and 2- on the sealing flange by releasing the connector safety catch.

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

-- Remove the fuel filler door unit. Refer to appropriate Service Information .

Vehicles with High-Voltage System:

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-- Disconnect the breather lines -1 and 2-. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

Vehicles with Tank Leak Diagnosis:

-- Remove the Fuel Tank Leak Detection Module -GX36-. Refer to Fuel Tank Leak Detection Module -GX36-, REMOVING AND INSTALLING .

A6:

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

A7 Sportback:

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

Rest of World Market-Specific Version and Vehicles with High-Voltage System:

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-- Disconnect the ground wire -1- from the fuel filler neck metal ring by releasing the connector safety catch in direction of -arrow-.

Market-Specific for North America:

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-- Disconnect the ground wires -1 and 2- from the fuel filler neck metal ring and protective plate by releasing the connector safety catch in direction of -arrow-.

Vehicles Without Tank leak Diagnosis:

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

-- Detach the breather line from the brackets -arrows-.

Vehicles with Tank Leak Diagnosis or High-Voltage System:

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-- Disconnect the bleeder 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-.

Continuation for All Vehicles:

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

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

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

-- Remove the driveshaft. Refer to DRIVESHAFT, REMOVING AND INSTALLING .

-- Remove the subframe. Refer to appropriate Service Information .

Vehicles with High-Voltage System:

-- Remove the Electric Drive Power and Control Electronics -JX1-. Refer to appropriate Service Information .

-- Free up the high-voltage cables on the fuel tank. Refer to appropriate Service Information .

Continuation for All Vehicles:

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-- Unclip the breather line on the fuel filler neck from the bracket -2-.

-- Disconnect the breather line -1- on the fuel tank. Disconnect the connector couplings. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

-- Carefully pull the breather line outward -arrow- and free it up.

Equipment Versions for Specific Countries/Rest of World only Vehicles without High-Voltage System:

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-- Disconnect the connector -1-.

-- Disconnect the fuel line -2-. Disconnect the connector couplings. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

-- Detach the rubber bushing -3- at the bracket and hang the metering pump -4- to the side.

Continuation for All Vehicles:

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

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

-- Place the prepared Rear Axle Support:T10552  on the Engine and Gearbox Jack:VAS6931  and support on the fuel tank.

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-- Rotate the tapered mounting pin spindle upward until the mount : VAS6131/13-2  comes into contact with the fuel tank carrier plate.

• The fuel tank must be empty when removing it.

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-- Remove the bolts -arrows-.

TIP:

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

-- Lower the fuel tank with the Engine and Gearbox Jack:VAS6931  while guiding it by hand.

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TIP:

When guiding out the fuel tank, pay attention to the clearance to the fuel filler neck.