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Overview - Fuel Delivery Unit/Fuel Level Sensor

Fig 1: Exploded View Of Fuel Delivery Unit/Fuel Level Sensor
GWWA20-11510Courtesy of AUDI OF AMERICA, LLC
  1. Fuel Level Sensor
    • Use the Vehicle Diagnostic Tester to check the Fuel Level Sensor -G- and Fuel Level Sensor 2 -G169-
    • Fuel Level Sensor -G-, Removing and Installing. Refer to Fuel Level Sensor -G-, REMOVING AND INSTALLING .
      NOTE:

      The Fuel Level Sensor 2 -G169- is integrated in the fuel tank and cannot be replaced separately.

  2. Fuel Delivery Unit
    • With the Transfer Fuel Pump -G6-
    • With integrated fuel filter; the fuel filter cannot be replaced separately
    • Perform an electrical test on the fuel pump. Refer to Vehicle Diagnostic Tester.
    • Removing and Installing. Refer to FUEL DELIVERY UNIT/FUEL LEVEL SENSOR, REMOVING AND INSTALLING .
    • It must be ensured that at least 5 liters (1.32 gallons) of fuel are in the fuel tank after installation.
  3. Fuel Line
  4. Wiring Harness
    • For Fuel Pump Control Module -J538-, Transfer Fuel Pump -G6-, Fuel Level Sensor -G- and Fuel Level Sensor 2 -G169-
    • Make sure it is attached securely
  5. Fuel Pump Control Module -J538-
  6. Screw
    • 1.5 Nm
    • Quantity: 3
  7. Sealing Flange Cover
  8. Bracket
    • For Fuel Pump Control Module -J538-
  9. Locking Ring
    • 110 Nm
    • Loosen and tighten using the : T10202 
  10. Seal
    • Always replace after removing
    • Install dry