Fuel Pump - G23-, REMOVING AND INSTALLING, VEHICLES WITH 3.0L (V6)/4.2L (V8) ENGINES THROUGH 05/2010: 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 delivery unit. Procedure to empty the fuel tank, refer to FUEL TANK, DRAINING .

-- Remove the left single seat and the left 2/3 seat bench seat cushion in the second row of seats, refer to Seat Frames .

Fig 1: Cut The Floor Covering Along The Perforation

Courtesy of AUDI OF AMERICA, LLC

WARNING:

Risk of injury.

Wear safety gloves

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

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

Fig 2: Identifying Locking Flange Cover - Tightening Specifications

Courtesy of AUDI OF AMERICA, LLC

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

-- Disconnect electrical harness connector -arrow- at left locking flange.

Fig 3: Connecting Connector -Arrow- At Left Locking Flange

Courtesy of AUDI OF AMERICA, LLC

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

Fig 4: Identifying Removal Of Locking Ring With T10202

Courtesy of AUDI OF AMERICA, LLC

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

Fig 5: Locking Flange Connectors Location

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connectors -1 and 2- on the bottom of the left locking flange.

-- Reach into the opening in the fuel tank and disconnect the delivery line -1- by pressing the releases.

Fig 6: Removing Fuel Delivery Fuel Lines

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the suction jet line -2- to the suction jet pump. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .

-- Disconnect the fuel lines -3 and 4-. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .

-- Reach into the opening in the fuel tank and turn the fuel delivery unit -1- counterclockwise 15° in direction of -arrow- to release (bayonet connection).

Fig 7: Identifying Fuel Delivery Unit -1-, Notch -3-, And Retaining Ring Tab -4-

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The fuel delivery unit is illustrated without the fuel tank.

The notch -3- on the fuel delivery unit then aligns with the retaining ring tab -4-.

-- Remove the fuel delivery unit.

NOTE:

Be sure there is still some fuel inside the fuel delivery unit.