Fuel Delivery Unit and Fuel Level Sensor

Fuel Delivery Unit and Fuel Level Sensor

Special tools, testers and auxiliary items required

• Wrench (T10202)

• Torque Wrench (5-50 Nm) (V.A.G 1332)

Requirements

• The fuel tank must be empty. Refer to => [ Fuel Tank, Draining ] Procedures.

• Connectors and wires for the left and right flanges have been removed.

• The lock rings for the right and left flanges have been removed.

- Read the safety precautions before starting. Refer to => [ Safety Precautions ] Safety Precautions.

- Follow the guidelines for cleanliness. Refer to => [ Clean Working Conditions ] Clean Working Conditions.

Removing

- Lift the right flange.

- Disconnect the fuel pump connector - 1 - from the flange.






- Disconnect the fuel level sensor connector - 2 - from the flange.

- Unclip the black hose - arrow - on the right side of the fuel tank from the fuel delivery unit housing.






- Disconnect the supply line - arrow - for the suction jet pumps on the right side of the fuel tank. Disconnecting the couplings, refer to => [ Coupling, Disconnecting ] Coupling, Disconnecting.






- Rotate the fuel delivery unit approximately 15° to the left and remove it from the bottom of the fuel tank.

• The fuel delivery unit housing is filled with fuel. Fuel may leak out if the housing is tipped or tilted.

- Install the right fuel level sensor.

- Lift the left flange.

- Disconnect the fuel level sensor 3 connector - arrow - from the flange.






- Remove the fuel level sensor 3 on the left side - 1 - and the retainer - 2 - for the suction jet pumps - 3 -.






• The suction jet pump is not shown in the illustration.

- Turn both suction jet pumps and remove them.

Installing

Installation is carried out in the reverse order of removal.