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Home >> Audi >> 2014 >> A5 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 1229 (Fuel Supply System [CAUA,CALA] (Coupe)) >> 20 Fuel Supply System >> Description And Operation >> Fuel Delivery Unit And Fuel Level Sensor Assembly Overview

Fuel Delivery Unit And Fuel Level Sensor Assembly Overview

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 Audi S5, 2011 Audi S5, 2010 Audi S5, 2010 Audi A5, and 2009 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Fuel Delivery Unit And Fuel Level Sensor Assembly With Components
GWWA20-10469Courtesy of AUDI OF AMERICA, LLC
  1. Fuel Delivery Unit
  2. Threaded Ring
  3. Seal
    • Replace
    • Install Dry
  4. Union Nut
    • Replace
    • 120 Nm 
    • Use A Union Nut Tool T40068 A For Loosening And Tightening
  5. Fuel Line
    • To Engine
    • Do Not Kink 
    • To Remove From Locking Flange, Press Release Button On Connecting Piece
    • Clipped In At Fuel Tank
  6. Electrical Harness Connector
    • For Transfer Fuel Pump And Fuel Level Sensor
  7. Electrical harness connector
    • For Fuel Pump Control Module
  8. Spring nut
  9. Fuel Pump Control Module
  10. Bolt
    • 2.5 Nm 
  11. Electrical harness connector
    • For Fuel Level Sensor 2
  12. Vent line
    • To EVAP canister
    • Do Not Kink 
    • To Remove From Locking Flange, Press Release Button On Connecting Piece
    • Clipped In At Fuel Tank
  13. Union nut
    • Replace
    • 120 Nm 
    • Use A Union Nut Tool T40068 A For Loosening And Tightening
  14. Seal
    • Replace
    • Install Dry
  15. Threaded Ring
  16. Locking Flange
    • With Fuel Level Sensor 2
  17. Vent Line
    • To Remove From Locking Flange, Press Release Button On Connecting Piece
    • Clipped In At Fuel Tank
  18. Vent Line
    • To Remove From Locking Flange, Press Release Button On Connecting Piece
    • Clipped In At Fuel Tank
  19. Fuel Level Sensor 2
  20. Suction Line
    • Removing And Installing, Refer To SUCTION LINE .
    • After Installing, Fuel Vehicle With At Least 5 Liters Of Fuel
  21. Electrical harness connector
    • For Fuel Level Sensor 2
  22. Fuel Level Sensor -G-