Suction Jet Pump, Removing And Installing, Vehicles With 3.0L (V6)/4.2L (V8) Engines From 06/2010: 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 .

To remove suction jet pump, fuel tank should be completely empty. 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 .

Fig 1: Cut The Floor Covering Along The Perforation

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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

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

Fig 5: Locking Flange Connectors Location

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-- 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 .

-- Reach into the opening in the fuel tank and disconnect the auxiliary heater supply line -2- from the fuel delivery unit by pressing the releases.

Fig 6: Fuel Delivery Unit Fuel Lines Location

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-- Reach into the fuel tank opening and disconnect the return line -1- from the fuel delivery unit. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .

-- Remove the locking flange.

-- Reach into the fuel tank opening and press the releases -arrows- and disconnect the supply line -1- from the fuel delivery unit.

Fig 7: Fuel Delivery Unit Supply Line Location

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-- Reach into the fuel tank opening and disconnect the suction jet line -2- to the suction jet pump. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .

-- 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 8: 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 -arrow-.

Fig 9: Identifying Locking Flange Cover - Tightening Specifications

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

-- Disconnect the connector -arrow- on the left locking flange.

Fig 10: Connecting Connector -Arrow- At Left Locking Flange

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

Fig 11: Identifying Removal Of Locking Ring With T10202

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-- Pull the left locking flange -3- slightly out of the fuel tank.

Fig 12: Connecting Electrical Connector -2- Underneath Left Locking Flange -3-

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-- Disconnect the connector -2- underneath the left locking flange.

-- Remove the sealing ring -1- from the fuel tank.

-- 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-.

Fig 13: Identifying Removal Of Fuel Level Sensor 2 Out Of Guide -4- -Arrow 2- By Pressing Release Tab -Arrow 1-

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-- Remove suction jet pump from guide -3- -arrow 2- by pressing locking tabs at the same time -arrow 1-.

Fig 14: Identifying Removal Of Suction Jet Pump From Guide -3- -Arrow 2- By Pressing Locking Tabs At Same Time -Arrow 1-

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NOTE:

The suction jet pump is illustrated without the fuel tank.

-- Carefully remove suction jet pump -4- through the fuel tank opening.