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Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (3.0L - Fuel Supply System - Engine Code(S): CATA & CNRB) >> 20 Fuel Supply >> Fuel Delivery Unit/Fuel Level Sensor >> Overview - Fuel Delivery Unit/Fuel Level Sensor >> Overview - Fuel Delivery Unit/Suction JETION Pump/Fuel Level Sensor, Vehicles With 3.0L (V6)/4.2L (V8) Engines Through 05/2010

Overview - Fuel Delivery Unit/Suction JETION Pump/Fuel Level Sensor, Vehicles With 3.0L (V6)/4.2L (V8) Engines Through 05/2010

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 Delivery Unit Components Location
GWWA20-10226Courtesy of AUDI OF AMERICA, LLC
  1. Retaining Ring
    • Welded to the fuel tank
  2. Fuel Level Sensor -G-
  3. Right Suction Jet Pump
  4. Right Fuel Delivery Unit
  5. Supply Line to the Auxiliary Heater
  6. Right Locking Flange
  7. Seal
    • Replacing
    • Install dry
  8. Locking Ring
    • Tighten to 110 Nm
    • Remove and install with the Wrench - Fuel Sending UnitT10202
  9. Connector
    • For the Transfer Fuel Pump -G6- and the Fuel Level Sensor -G-
  10. Fuel Return Line
  11. Fuel Supply Line
  12. Fuel Supply Line
    • To the metering pump for the auxiliary heater
    • Do not kink
    • Clipped in on fuel tank
    • Connector couplings, disconnecting, refer to CONNECTOR COUPLINGS, SEPARATING .
  13. Fuel Return Line
  14. Fuel Supply Line
  15. Connector
    • For the Fuel Pump - G23- and Fuel Level Sensor 2 - G169-
  16. Locking Ring
    • Tighten to 110 Nm
    • Remove and install with the Wrench - Fuel Sending UnitT10202
  17. Seal
    • Replacing
    • Install dry
  18. Left Locking Flange
  19. Fuel Supply Line
    • Attached to the left fuel delivery unit -20-
  20. Left Fuel Delivery Unit
  21. Fuel Level Sensor 2 -G169-
  22. Retaining Ring
    • Welded to the fuel tank
  23. Left Suction Jet Pump
    • For the right fuel delivery unit
    • Different versions.
    • Clipped onto the retaining ring -22-
    • Removing and installing, refer to LEFT SUCTION JET PUMP, REMOVING AND INSTALLING .
    • Fill the fuel tank with at least five liters of fuel after installing
  24. Fuel Supply Line
    • Attached to the right fuel delivery unit -4-