Vehicles with All Wheel Drive
Fuel delivery unit, removing and installing
(Vehicles with all wheel drive up to 06.03)
Special tools, testers and auxiliary items required
- Wrench T10202
- Fuel pump wrench 3307
REMOVING
- Observe safety precautions.
- Observe rules for cleanliness.
CAUTION!
- To remove the fuel delivery unit, the fuel tank may only be filled to a maximum of 1/4. Drain fuel tank if necessary.
- Observe procedures for disconnecting battery.
- Push cover over battery toward right - arrow 1 - and remove it upward - arrow 2 - .
- With ignition switched off, disconnect Battery Ground (GND) strap - arrow - .
- Open fuel filler flap briefly and then close again.
- Remove rear seat bench.
- Unbolt cover for right locking flange - arrows - .
- Disconnect electrical harness connector - 1 - at right locking flange.
- Disengage electrical harness connector - 2 - and lay it aside.
CAUTION!
- The fuel system is under pressure! Before opening system, place rags around the connection area. Then release pressure by carefully loosening the connection.
- Disconnect fuel line - 1 - from locking flange by pressing release button.
Vehicles with 1.8L Turbo engine:
- Disconnect ventilation line - 2 - to fuel filter at locking flange, by pressing the release buttons.
All models:
CAUTION!
- The fuel delivery unit may only be removed when fuel tank is maximum 1/4 filled. Otherwise, a large amount of fuel will spill out.
- Remove locking ring using wrench T10202 .
- Pull locking flange and sealing ring from opening of fuel tank.
- Disconnect electrical connection on inner side of locking flange - arrow - .
Note: To improve clarity, a cross-sectional view of the fuel tank is shown in the following illustration.
- Guide fuel pump wrench 3307 through the fuel tank opening and place it on the fuel delivery unit.
- Release fuel delivery unit with fuel pump wrench 3307 , thereby turning approx. 15� toward left until stop (bayonet connection).
- Notch - 1 - aligns with marking - 2 - .
- Remove fuel delivery unit.
Note: Be aware that fuel is still in the fuel delivery unit.
INSTALLING
- Installation is in reverse order of removal. Note the following:
Note: Replace seal.
- Insert fuel delivery unit into baffle housing in tank so that the notch - 1 - at fuel delivery unit aligns with marking - 2 - at baffle housing.
- Fuel delivery unit can be pressed downward significantly and noticeably.
- Guide fuel pump wrench 3307 through fuel tank opening and place it on fuel delivery unit.
- Fasten fuel delivery unit using fuel pump wrench 3307 , thereby turning approx. 15� toward right until stop (bayonet connection).
- Notch - 1 - aligns with marking - 3 - .
- Connect electrical connection - arrow - on inner side of locking flange.
- Install new locking flange seal dry.
- Bring locking flange to installation position.
- Tab - 2 - on locking flange must lie between tabs - 1 - and - 3 - on fuel tank.
Note: - Arrow - points in direction of travel.
- Tighten locking ring.
- Connect battery. Observe safety precautions after connecting battery.
Torque specifications
Locking ring for fuel delivery unit 145 Nm