Overview - Fuel Delivery Unit/Fuel Level Sensor, All TDI Vehicles
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2020 Audi S4, 2019 Audi S4, 2019 Audi A4 allroad, 2019 Audi A4, and 2018 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.
- Fuel Level Sensor
- Fuel Gauge Sensor -G-, Removing and installing. Refer to FUEL GAUGE SENSOR -G-, REMOVING AND INSTALLING .NOTE:
The Fuel Level Sensor 2 -G169- is integrated in the fuel tank and cannot be replaced separately.
- Fuel Gauge Sensor -G-, Removing and installing. Refer to FUEL GAUGE SENSOR -G-, REMOVING AND INSTALLING .
- Fuel Supply Line
- To the fuel filter
- Clipped to the fuel tank
- Do not kink
- To disconnect, press the release button on the connecting piece
- Connector Couplings, Separating and Connecting. Refer to CONNECTOR COUPLINGS, DISCONNECTING .
- Fuel Return Line
- From the engine
- Clipped to the fuel tank
- Do not kink
- Press the release button on the connecting piece to remove from the sealing flange
- Connector Couplings, Separating and Connecting. Refer to CONNECTOR COUPLINGS, DISCONNECTING .
- Connector
- For Fuel Pump Control Module -J538-
- Make sure it is attached securely
- Fuel Pump Control Module -J538-
- Checking using the Vehicle Diagnostic Tester.
- Component location: right under the rear sill panel
- Removing and installing. Refer to Fuel Pump Control Module -J538-, REMOVING AND INSTALLING .
- Sealing Flange Cover
- Bolt
- 1.5 Nm
- Quantity: 3
- Fuel Line to Parking Heater Metering Pump
- Country/equipment versions
- Clipped to the fuel tank
- Do not kink
- Connector Couplings, Separating and Connecting. Refer to CONNECTOR COUPLINGS, DISCONNECTING .
- Connector
- Country/equipment versions
- To the metering pump for the parking heater
- Make sure it is attached securely
- Locking Ring
- 110 Nm
- Loosen and tighten using the Wrench - Fuel Sending Unit:T10202
- Gasket
- Replace after removing
- Install dry
- Wiring Harness
- For Transfer Fuel Pump -G6-, Fuel Gauge Sensor -G- and Fuel Gauge Sensor 2 -G169-
- Make sure it is attached securely
- Fuel Delivery Unit
- With the Transfer Fuel Pump -G6-
- Check the fuel pump electronically using the Vehicle Diagnostic Tester.
- Removing and Installing. Refer to FUEL DELIVERY UNIT/FUEL LEVEL SENSOR, REMOVING AND INSTALLING, TDI VEHICLES .
- Connector Couplings, Disconnecting and Connecting. Refer to CONNECTOR COUPLINGS, DISCONNECTING .
- It must be ensured that at least five liters of fuel are in the fuel tank after installation.