Fuel Pump: Service and Repair

Fuel Delivery Unit, Fuel Level Sensor and Suction Jet Pumps

Special tools, testers and auxiliary items required

• Wrench (T10202)

Requirements

• The fuel tank must be drained --> [ Fuel Tank, Draining ] Procedures.

• Fuses - 13 - and - 14 - - arrows - must be removed from their sockets.





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

• Locking rings of sensor flanges, right and left, are removed.

Procedure

- Read safety precautions before beginning work --> [ Safety Precautions ] Safety Precautions.

- Pull off connectors - 1 - and - 2 -, as well as hose couplings - 3 - and - 4 - under right sender flange.





- Remove sender flange with pressure regulator.

- Unclip black filler hose - arrow - from fuel delivery unit housing on left and right sides of fuel tank.





- Pull fuel supply line off fuel delivery unit - arrow - on left and right sides of fuel tank to suction jet pumps.





- Unscrew fuel delivery unit in bottom of fuel tank by turning approximately 90 degrees to left.

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

- Unclip fuel gauge senders on each side of fuel tank and pull them out.

- Unclip suction jet pumps from bottom on each side and remove with a slight turn.

- Pull out hose ends through left and right sensor openings.