Auxiliary Fuel Pump V393 or Fuel Pump 2 V277 (In-Line Fuel Pump)

Auxiliary Fuel Pump V393 or Fuel Pump 2 V277 (In-line Fuel Pump)

• Due to a software revision, the component name for the in-line electric fuel pump was changed from "auxiliary fuel pump" to "fuel pump 2". They are the same component.

Special tools, testers and auxiliary items required

• Hose Clip Pliers (VAS 6340)

• Torque Wrench (5-50 Nm) (V.A.G 1331)

Removing

- Disconnect the connector - 1 - and remove the bolt - 2 -.

- Remove the bracket for the sensor, including the sensor by sliding it in the direction of travel.






- Disconnect the connector - A - and remove the fuel hoses - B -.






- Open the clamp and remove the fuel hose (- item 6 - in the => [ Fuel Filter Overview ] Fuel Filter Overview) from the fuel filter flange.

- Disconnect the connector from the fuel temperature sensor - arrow -, loosen the clamp - 1 - and remove the fuel supply hose from the high pressure pump.






- Remove the bolts - arrows -.






- Remove the auxiliary fuel pump/fuel pump 2.

Installing

Install in the reverse order of removal. Note the following:

• Route the fuel hoses free of kinks

• Make sure the fuel hoses are secure.

• Do not interchange the supply and return lines (the return line is blue or has a blue mark, the supply line is white or has a white mark).

• Clip the fuel and coolant hoses back into the retainers.

• Tightening specification for the sensor bracket: 8 Nm