Fuel Delivery Unit And Fuel Level Sensor -G- Overview

Fig 1: Fuel Delivery Unit And Fuel Level Sensor Assembly Overview

Courtesy of AUDI OF AMERICA, LLC

1. Fuel Delivery Unit
   • Different version.
   • Fuel pump, vehicles with TFSI engine, checking electrically, refer to FUEL PUMP, TESTING ELECTRICALLY 
   • Checking residual pressure, refer to [For engine(s) CETA, CCTA] Diagnosis and Testing or refer to [For engine(s) CBRA] Diagnosis and Testing or refer to [For engine(s) BPY, CDMA] Diagnosis and Testing
   • Removing and installing, refer to FUEL DELIVERY UNIT 
   • Fill the fuel tank with at least 5 liters of fuel.
2. Seal
   • Replace
   • Install dry
3. Fuel Supply Line
   • To fuel filter
   • Do not kink
   • Attaches to connection with identification "V" at sealing flange
   • To remove from locking flange, press release button
4. Fuel Return Line
   • Do not kink
   • Attaches to connection with identification "R" at sealing flange
   • To remove from locking flange, press release button
5. Electrical Harness Connector
   • For transfer fuel pump -G6- and fuel level sensor -G-
6. Locking Ring
   • 110 Nm
   • Use Wrench T10202 for removing and installing
7. Fuel Level Sensor -G-
   • Different versions.
   • Check the resistance values. Refer to Fuel Level Sensor -G-, CHECKING 
   • Removing and installing, refer to Fuel Level Sensor -G-