Fuel Pump: Service and Repair

Fuel Delivery Unit, Fuel Gauge Sensor and Suction Jet Pump

Special tools, testers and auxiliary items required

• Wrench (T10202)

Test conditions

• Fuel tank must be drained --> [ Fuel Tank, Emptying ] Procedures,

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





• Connectors and lines for right and left flanges have been disconnected.

• Locking rings for right and left flanges have been removed.

Work procedure

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

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





- Remove 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.





- Remove fuel delivery unit in bottom of fuel tank by turning approx. 90° to left.

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

- Unclip fuel level sensors on both sides of fuel tank and remove them.

- 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.