16 11 030 Removing and Installing/Replacing Fuel Tank

16 11 030 Removing And Installing/Replacing Fuel Tank (Petrol/Gasoline)







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 ground connection at fuel filler neck to body for continuity. If necessary, clean contact surface between body and fuel filler pipe screw connection.
- Fill fuel tank with at least 5 litres of fuel.







Necessary preliminary tasks:
- Draw off fuel from fuel tank
- Remove rear seat
- Vehicles with comfort seat:
Remove right rear seat

- Remove rear right wheel arch trim
- Remove propeller shaft
- Remove tension strut on left and right

For F02 rear air conditioners:
- Remove refrigerant lines







Remove sound insulation (1).







Unscrew nuts (1).
Remove cover for service opening (2).







Disconnect plug connection (1).
Disconnect fuel line (2).
If necessary, disconnect fuel line for independent heating.

Installation:
Check seal (3), replace if necessary.







Vehicles with outer fuel filter (S1AKA):
Disconnect plug connection (1).
Disconnect fuel lines (2).

Installation:
Check seal (3), replace if necessary.
Release plastic nuts (1).







Installation:
Check plastic nuts (1), replace if necessary.
Tightening torque 16 12 2AZ.







IMPORTANT:
There may be residual amounts of fuel in the tank.
Catch escaping fuel in a suitable container.

Unfasten hose clip (1).

Installation:
Check hose clamp (1), replace if necessary.
Tightening torque 16 12 1AZ.
Release quick-release coupling (2).
Detach line. Detach fuel filler pipe.







Installation:
Make sure lines (1) and (2) are correctly seated in holder.







Release screws (1).

Installation:
Tightening torque 16 11 1AZ.







IMPORTANT: Secure fuel tank against slipping and falling out.

Heavily support the fuel tank.
Release screws (1).







Installation:
Tightening torque 16 11 2AZ.
Lower fuel tank.







If necessary, disconnect fuel line for independent heating.
Remove fuel tank.

Replacement:
- Convert flange cover
- Convert fuel pump
- Convert pressure regulator
- Convert tank fill level sensor