Fuel Delivery Unit/Fuel Level Sensor, Removing And Installing: Removing: Notes

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2015 Audi RS 7, 2015 Audi A7 Quattro, 2014 Audi S7, 2014 Audi RS 7, and 2014 Audi A7 Quattro. 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 CLEAN WORKING CONDITIONS .

WARNING:

Danger due to escaping fuel.

To prevent large quantities of fuel from leaking from the fuel delivery unit when removing, the fuel tank may only be a maximum of ¹ /₄ full.

-- If required, empty the fuel tank, refer to FUEL TANK, DRAINING .

-- Move the right front seat all the way forward.

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, DISCONNECTING AND CONNECTING .

-- Remove the rear bench seat, refer to SEAT BENCH/SINGLE SEAT, REMOVING AND INSTALLING .

Fig 1: Identifying Cover Bolts For Locking Flange

Courtesy of AUDI OF AMERICA, LLC

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

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

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

Fig 2: Identifying Connectors

Courtesy of AUDI OF AMERICA, LLC

Fig 3: Identifying Fuel Line

Courtesy of AUDI OF AMERICA, LLC

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: Disconnect the fuel line -1- to the auxiliary heater metering pump at the locking flange. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .

-- Remove the fuel line -2- from the locking flange. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .

Fig 4: Identifying Fuel Sending Unit Wrench

Courtesy of AUDI OF AMERICA, LLC

WARNING:

Danger due to escaping fuel.

To prevent large quantities of fuel from leaking from the fuel delivery unit when removing, the fuel tank may only be a maximum of ¹ /₄ full.

-- Remove the locking ring using the Wrench - Fuel Sending Unit T10202.

-- Pull the locking flange just -1- a little out of the opening in the fuel tank and remove the seal.

Fig 5: Identifying Connector

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -2-.

-- Remove the locking flange with the fuel filter and the fuel line carefully from the fuel tank opening.

Audi RS6/RS7:

Fig 6: Identifying Suction Jet Pipe

Courtesy of AUDI OF AMERICA, LLC

-- Reach through the opening in the fuel tank, release the suction jet pump -1- at the retainers -arrows- and remove it from the fuel delivery unit.

-- Press the release and disconnect the fuel line -2-.

-- Carefully remove the suction jet pump from the opening in the fuel tank.

Continuation for All Vehicles:

Fig 7: Identifying Fuel Delivery Unit -2- And Fuel Level Sensor -1-

Courtesy of AUDI OF AMERICA, LLC

WARNING:

There is a risk of fuel leaking out from the filled fuel delivery unit.

Lay cloths below to catch the leaking fuel.

-- Carefully remove the fuel delivery unit -2- and fuel level sensor -1- through the opening in the fuel tank.

NOTE:

Be careful not to bend the floater arm on the Fuel Level Sensor -G- when removing the fuel delivery unit.