Overview - Fuel Tank, Vehicles With 3.0L (V6);4.2L (V8) Engines

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.

Fig 1: Fuel Tank Replacement Components

Courtesy of AUDI OF AMERICA, LLC

Left Heat Shield
Fuel Supply Line
- To fuel filter
- Clipped in on fuel tank
- Connector couplings, disconnecting, refer to CONNECTOR COUPLINGS, SEPARATING .
Fuel Return Line
- from the fuel system cooler
- Clipped in on fuel tank
- Connector couplings, disconnecting, refer to CONNECTOR COUPLINGS, SEPARATING .
Fuel Supply Line
- To the metering pump for the auxiliary heater
- Clipped in on fuel tank
Right Heat Shield
Bolt
- 33 Nm
- Tightening sequence, refer to Installing
Mounting Strap
- Observe varying lengths
- Pay attention to the installed position.
Nut
- 9 Nm
Shield
- For fuel filler tube
Bolt
- 9 Nm
Rubber Gasket
Cap
- Attached to the fuel filler door insert with an permanent fastener
Bolt
- 5 Nm
Ground (GND) Connection
- For discharging electrostatic charge
- Make sure the connector fits securely on the fuel filler tube metal ring
- After installing, check electrical connection of fuel filler tube to a bare area of chassis using Ohm meter - Specified value: approximately 0 Ω
Bolt
- 9 Nm
Overflow Hose
Vent Line Bracket
Carrier Plate
Bolt
- 33 Nm
- Tightening sequence, refer to Installing
Fuel Tank
- Removing and installing, refer to FUEL TANK WITH ATTACHMENTS, REMOVING AND INSTALLING .
Connectors
- Only vehicles through 10.06
- For electric fuel pump and fuel level sensor
- Remains on fuel tank when fuel tank is removed

Fig 2: Installation Position of Ground (GND) Connection

Courtesy of AUDI OF AMERICA, LLC

-- Route the GND connection -1- as shown.

-- Ensure connector of GND connection fits securely at metal ring of fuel filler tube.

NOTE:

Ignore items -2 and 3-.

WARNING:

Danger due to electrostatic charge.

After installing, check electrical connection on fuel filler neck metal ring to an empty spot on the body using an Ohm meter.

Specified value: approximately 0 Ω.