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Home >> Audi >> 2008 >> Q7 4.2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (3.0L - Fuel Supply System - Engine Code(S): CATA & CNRB) >> 20 Fuel Supply >> Fuel Pump >> Left Suction Jet Pump, Removing And Installing >> Left Suction Jet Pump, Removing And Installing, Vehicles With 3.0L (V6)/4.2L (V8) Engines Through 05/2010 >> Removing

Left Suction Jet Pump, 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 .

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

Fig 1: Cut The Floor Covering Along The Perforation
GWWA20-10184Courtesy of AUDI OF AMERICA, LLC
WARNING:

Risk of injury.

  • Wear safety gloves

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

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

Fig 2: Identifying Locking Flange Cover - Tightening Specifications
GWWA20-10099Courtesy of AUDI OF AMERICA, LLC

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

-- Disconnect the connector -3- on the right locking flange.

Fig 3: Identifying Fuel Return Line -1-, Fuel Supply Line -2- To Right Locking Flange, And Connector -3-
GWWA20-10563Courtesy of AUDI OF AMERICA, LLC
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
GWWA20-10145Courtesy of AUDI OF AMERICA, LLC

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

Fig 5: Identifying Electrical Connectors -1 - And -2- On Underside Of Right Locking Flange
GWWA20-10190Courtesy of AUDI OF AMERICA, LLC

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

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

Fig 6: Fuel Delivery Lines Location
GWWA20-10203Courtesy of AUDI OF AMERICA, LLC

-- Reach into the opening in the fuel tank and disconnect the delivery line -4- by pressing the releases.

NOTE:

Ignore item -3-.

-- Remove the left fuel delivery unit, refer to LEFT FUEL DELIVERY UNIT AND Fuel Pump -G23-, REMOVING AND INSTALLING .

Fig 7: Identifying Removal Of Fuel Level Sensor 2 Out Of Guide -4- -Arrow 2- By Pressing Release Tab -Arrow 1-
GWWA20-10495Courtesy of AUDI OF AMERICA, LLC

-- Reach into the fuel tank opening, press the locking tab in direction of -arrow 1- and remove the Fuel Level Sensor 2 -G169- -3- from the guide -4- in direction of -arrow 2-.

-- Carefully remove the Fuel Level Sensor 2 -G169- through the fuel tank opening.

-- Reach through the opening in the fuel tank and pull the delivery line out through the opening on the left side of the fuel tank.

Fig 8: Removing Suction Jet Pump
GWWA20-10197Courtesy of AUDI OF AMERICA, LLC

-- Press the tab -arrow 1- and pull the suction jet pump out of the guide -arrow 2-.

NOTE:

The suction jet pump is illustrated without the fuel tank.

-- Remove suction jet pump carefully through the opening in the fuel tank.