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Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Fuel Supply System - Engine Code(S): Bar, BHK, BHL, CJWB, CJWC, CJWE, CTWA, CTWB) >> 20 Fuel Supply >> Description And Operation >> Fuel Delivery Unit And Fuel Level Sensor -G- Overview

Fuel Delivery Unit And Fuel Level Sensor -G- Overview

WARNING: This page is about a different variant/trim than selected.
Fig 1: Identifying Fuel Delivery Unit And Fuel Level Sensor -G- Overview
GWWA20-10150Courtesy of AUDI OF AMERICA, LLC
  1. Front Suction Jet Pump
  2. Retaining Ring
    • Welded to fuel tank
    • For the fuel delivery unit and the fuel level sensor -G-
  3. Fuel Level Sensor -G-
  4. Fuel Delivery Unit
  5. Right Locking Flange
    • With the fuel pressure regulator and gravity valve
    • Installed position Installing 
  6. Seal
    • Replace
    • Install dry
  7. Locking Ring
    • Tighten to 110 Nm.
    • Use Wrench T10202 for removing and installing
  8. Electrical Harness Connector
    • For transfer fuel pump and fuel level sensor
  9. Vent Line
    • Only on Rest of World vehicles
  10. Fuel Supply Line
    • To engine
    • To disconnect, press release button on connection piece
    • Clipped in on fuel tank
  11. Electrical Harness Connector
    • For Fuel Level Sensor 2 -G169-
  12. Vent Line
    • To disconnect, press release button on connection piece
  13. Locking Ring
    • Tighten to 110 Nm.
    • Use Wrench T10202 for removing and installing
  14. Seal
    • Replace
    • Install dry
  15. Left Locking Flange
  16. Fuel Line
    • To the fuel pressure regulator on the right side of the locking flange
    • To disconnect, press release button on connection piece
  17. Fuel Line
    • From the fuel delivery unit
    • To disconnect, press release button on connection piece
  18. Fuel Level Sensor 2 -G169-
  19. Retaining Ring
    • Welded to fuel tank
    • For suction jet pump and fuel level sensor 2
  20. Rear Suction Jet Pump
Fig 2: Identifying Locking Flange Cover - Tightening Sequence
GWWA20-10099Courtesy of AUDI OF AMERICA, LLC

-- Tighten bolts -1 through 4- to 9 Nm.