Fuel Level Sensor -G-, REMOVING AND INSTALLING: Removing

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 Audi Q7, 2014 Audi Q7, 2013 Audi Q7, 2011 Audi Q7, and 2010 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Follow all safety precautions, refer to WORKING ON FUEL SYSTEM .

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

The fuel tank must be completely empty to remove the fuel level sensor -G-. Procedure to empty the fuel tank, refer to FUEL TANK, DRAINING .

-- Remove the right rear single seat in the second row of seats, refer to Seat Frames .

WARNING:

Risk of injury.

Wear safety gloves

-- Cut the floor covering along the perforation -arrows- on the right side with a carpet knife -1-.

Fig 1: Cut The Floor Covering Along The Perforation

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-- Fold carpet cut-out to side in direction of -arrow-.

Fig 2: Identifying Locking Flange Cover - Tightening Specifications

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-- Remove nuts -1 to 4- and remove right locking flange cover.

-- Disconnect the connector -4- on the right locking flange.

Fig 3: Fuel Lines Components Location

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-- If equipped, disconnect the connector -3- on the locking flange.

NOTE:

Place a clean cloth under the separating location to catch any fuel that may leak out.

WARNING:

Very hot fuel can burn your skin.

In extreme cases, the fuel lines and the fuel itself in vehicles with a common rail engine can be as hot as 100 °C (212 °F) after the engine has been turned off. Let the fuel cool down before opening any line connections otherwise there is a danger of scalding.
Wear safety gloves
Wear protective eyewear.

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

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

-- Disconnect fuel lines -1 and 2-. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .

-- Vehicles with parking heater: Disconnect the fuel line to the parking heater. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .

-- Remove locking ring using the Wrench - Fuel Sending UnitT10202.

Fig 4: Identifying Removal Of Locking Ring With T10202

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Version 1

Fig 5: Identifying Electrical Connectors -1 - And -2- On Underside Of Right Locking Flange

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-- Pull right locking flange with seal out of fuel tank a bit.

-- Disconnect electrical connectors -1 and 2 - on underside of the right locking flange.

-- Disconnect fuel lines -2 and 3-. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .

Fig 6: Fuel Delivery Unit Components Location

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-- Reach into the opening in the fuel tank, press the releases -arrow- and disconnect the auxiliary heater supply line -1- from the fuel delivery unit.

-- Remove the right locking flange and seal.

Version 2

Fig 7: Fuel Tank Components Location

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-- Pull the locking flange -4- out of the fuel tank slightly and remove the seal -1-.

-- Disconnect the connectors -2 and 3- on the bottom of the locking flange.

-- Remove the fuel line -5- from the fuel tank and disconnect it. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .

-- Lay the locking flange with the fuel lines still connected to the side.

Continuation for All Vehicles

Fig 8: Identifying Removal Of Fuel Level Sensor Through Guide -Arrow 2- While Pressing Locking Tab -Arrow 1-

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-- Reach into the fuel tank opening and remove the Fuel Level Sensor -G- from the guide -arrow 2- while pressing locking tab -arrow 1-.

NOTE:

The Fuel Level Sensor -- is shown without the fuel tank to provide a better illustration.