Fuel delivery unit and fuel level sensor, assembly overview
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 Audi S4, 2008 Audi RS 4, 2008 Audi A4, 2007 Audi S4, and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Fuel delivery unit shown in illustration is for vehicles with 6-cyl. engine.
1 - Fuel Level Sensor G
- Resistance values, checking → Fuel Level Sensor G , checking
- Removing and installing → Fuel Level Sensor G , removing and installing
2 - Fuel delivery unit
- Fuel pump electrical, checking → Fuel pump electrical, checking
- Checking residual pressure →
- 24 MULTIPORT FUEL INJECTION (MFI) for 1.8 LITER 4-CYL. 5V TURBO FUEL INJECTION & IGNITION, ENGINE CODE(S): AMB
- 24 - MULTIPORT FUEL INJECTION (MFI) for 2.0 LITER 4-CYL. 4V TURBO FUEL INJECTION IGNITION, ENGINE CODE(S): BPG, BWT
- 24 MULTIPORT FUEL INJECTION (MFI) for 3.0 LITER 6-CYL. 5V FUEL INJECTION & IGNITION, ENGINE CODE(S): AVK, BGN
- 24 - FUEL INJECTION SYSTEM for 3.2 V6 4V FUEL INJECTION IGNITION, ENGINE CODE(S): BKH
- 24 - MULTIPORT FUEL INJECTION (MFI) for 4.2 LITER V8 4V FUEL INJECTION AND IGNITION, ENGINE CODE(S): BNS
- 24 MULTIPORT FUEL INJECTION (MFI) for 4.2 LITER V8 5V FUEL INJECTION AND IGNITION, ENGINE CODE(S): BHF
- Removing and installing → Fuel delivery unit, removing and installing
3 - Seal
- Always replace
- Install dry
4 - Fuel return line
- Mark before removing
- To disconnect, press release button on connection piece
- Do not kink
- Note direction of arrow (fuel supply or return) on locking flange when installing
- Clipped in on fuel tank
5 - Fuel supply line
- Mark before removing
- To disconnect, press release button on connection piece
- Do not kink
- Note direction of arrow (fuel supply or return) on locking flange when installing
- Clipped in on fuel tank
6 - Electrical harness connector
- For Fuel level sensor G
- For Transfer Fuel Pump (FP) G6
7 - Union nut, 80 Nm
- Use ring nut wrench 3217 for removal and installation
8 - Suction jet pipe
- To disconnect, press release button on connection piece
9 - Suction jet pump