Fuel Pump, Removing and Installing

Fuel pump, removing and installing

Recommended special tools and equipment







- VAG1332 torque wrench (40 to 200 Nm)







- 3217 ring nut spanner

Removing

Requirement
- Fuel tank may be a maximum of 1/2 full

NOTE:
- Empty fuel tank if necessary, e.g. using a fuel siphoning device.
- Read safety precautions before beginning work.

- First determine whether a coded radio is installed. In this case, determine the anti-theft coding.
- Switch ignition off and disconnect Battery Ground (GND) strap.
- Fold rear seatback forward.
- Remove cover from Fuel Pump (FP)







- Disconnect 4-pin harness connector as well as supply and return lines from flange (arrows).


NOTE: Depress buttons on hose connections to do so.


WARNING:
- The fuel or fuel lines in fuel system can become very hot (danger of scalding).
- In addition, the fuel system is under pressure. Before opening the system, place rags around the connection area and release pressure by carefully loosening the connection.
- Wear protective goggles and protective gloves when working on the fuel system.







- Use 3217 ring nut spanner to remove union nut.
- Pull fuel pump and sealing ring from opening of fuel tank

NOTE: When replacing Fuel Pump (FP) unit, empty old Fuel Pump (FP) unit before disposing.

Installing
- Installation of the Fuel Pump (FP) unit is the reverse order of removal.

NOTE:
- When inserting Fuel Pump (FP), be sure not to bend sender for fuel gauge.
- Insert dry flange seal of fuel pump into opening of fuel tank.
- Only coat seal with fuel when installing Fuel Pump (FP).
- Make sure fuel lines are securely fastened.







- Note installation position of fuel pump flange:Marking on flange must align with marking on fuel tank (arrows).
- After installing Fuel Pump (FP) unit, check whether supply, return and vent lines are still clipped in at fuel tank.

- Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.
- Generate readiness code.