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Home >> Audi >> 2009 >> Q7 4.2 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (3.0L - Fuel Supply System - Engine Code(S): CATA & CNRB) >> 20 Fuel Supply >> Fuel Tank >> Overview - Fuel Tank >> Overview - Fuel Tank, Vehicles With 3.0L (V6) With Reducing Agent Metering System

Overview - Fuel Tank, Vehicles With 3.0L (V6) With Reducing Agent Metering System

WARNING: This page is about a different variant/trim than selected.
Fig 1: Identifying Fuel Tank With Attachments Overview
GWWA20-10582Courtesy of AUDI OF AMERICA, LLC
  1. Fuel Return Line
  2. Fuel Supply Line
  3. Bolt
    • 33 Nm
    • Tightening sequence, refer to Installing 
  4. Mounting Strap
    • Front right
    • Pay attention to the installed position.
  5. Bolt
    • 33 Nm
    • Tightening sequence, refer to Installing 
  6. Mounting Strap
    • Rear right
    • Pay attention to the installed position.
  7. Nut
    • 9 Nm
  8. Shield
    • For fuel filler tube
  9. Overflow Hose
  10. Rubber Gasket
  11. Cap
    • Attached to the fuel filler door insert with an permanent fastener
  12. Bolt
    • 5 Nm
  13. 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
  14. Bolt
    • 9 Nm
  15. Line Bracket
  16. Carrier Plate
  17. Bolt
    • 33 Nm
    • Tightening sequence, refer to Installing 
  18. Fuel Tank
  19. Mounting Strap
    • Left
    • Pay attention to the installed position.
  20. Bolt
    • 33 Nm
    • Tightening sequence, refer to Installing 
  21. Transfer Line
    • From the Reducing Agent Transfer Pump -V436- to the reducing agent active chamber
    • Clipped in on fuel tank
  22. Metering Line
    • From the Reducing Agent Injector -V437- to the Reducing Agent Injector -N474-
    • Clipped in on fuel tank
    • Connector couplings, disconnecting, refer to CONNECTOR COUPLINGS, SEPARATING .
  23. Breather Line
    • From the passive tank to the reducing agent active chamber
    • Clipped in on fuel tank
    • Connector couplings, disconnecting, refer to CONNECTOR COUPLINGS, SEPARATING .
  24. Filling Line
    • From the passive tank to the reducing agent active chamber
    • Clipped in on fuel tank
    • Connector couplings, disconnecting, refer to CONNECTOR COUPLINGS, SEPARATING .
Fig 2: Installation Position Of Ground (GND) Connection
GWWA20-10558Courtesy 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 item -2-.

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.