16 11 060 Removing and Installing/Replacing Fuel Filler Pipe

16 11 060 Removing And Installing/replacing Fuel Filler Pipe







Recycling
Fuel escapes when fuel lines are detached. Have a suitable collecting container ready.
Catch and dispose of escaping fuel.
Observe country-specific waste-disposal regulations.







IMPORTANT:
Ensure adequate ventilation in the place of work.
Avoid skin contact (wear gloves).
After installation of fuel tank/prior to first engine start-up:
- Check electrical resistance between metal filler bowl and wheel hub.
- Measured value: approx. 0.65 ohm.
- Fuel tank must be filled with at least 5 litres of fuel.







NOTE:
Diesel engines:
The diesel additive is admixed when the battery is connected and fuel is being added. The fuel level sensor activates the metering pump.
Drawn-off diesel fuel must not be mixed with other diesel fuel.

If reusing the diesel fuel:
To prevent renewed admixing and thereby to ensure a correct mixture ratio, make sure when drawing off and filling that the battery negative lead is disconnected.







Necessary preliminary tasks:
- Draw off fuel from fuel tank
- Remove rear left wheel arch trim
- Remove underbody panelling on left (not R57)
- Unscrew fuel filler cap from fuel filler pipe







Unfasten hose clip (1).
Detach fuel hose from fuel tank.

Installation:
Tightening torque 16 11 4AZ.







Unfasten hose clip (1).

Installation:
Replace hose clip.

Unclip vent line from holder (2).
Unscrew nut (3).

Installation:
Replace nut.
Tightening torque 16 11 1AZ.







Slacken nut (1).

Installation:
Tightening torque 16 11 1AZ.

Wind grounding cable (2) back around fuel filler pipe.
Remove fuel filler pipe (3).

Installation:
Make sure grounding cable (2) is correctly fitted.

Following seals must be correctly fitted:
- Vent hose to fuel filler pipe
- Fuel filler pipe to body cutout