1612001 Removing and installing or replacing fuel gauge sensor (diesel, left)
Special tools required
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.
Avoid skin contact (wear gloves)!
Ensure absolute cleanliness when working on the open fuel tank.
Before starting the engine for the first time:
- Fill fuel tank with at least 5 liters of fuel.
Necessary preliminary tasks
- DRAW OFF FUEL FROM FUEL TANK
- Remove REAR SEAT BENCH
- Remove RIGHT SENSOR UNIT
Attach an auxiliary lead (1) to hose pack (2) through service opening.
The auxiliary lead is pulled through with the hose pack towards the left and facilitates subsequent reinstallation.
Installation:
Make sure when pulling through the hose pack that the tank ventilation system in the tank tunnel is not damaged.
Release screws (1) and remove cover (2) from left side of fuel tank.
Disconnect plug connection (1).
Unlock quick-release fastener (2) and detach line towards front.
Unlock quick-release fastener (3) and detach line towards top.
Release screw cap with special tool 16 1 020 and remove service cap.
Installation:
Procedure for tightening screw cap, see next work step.
Then tighten screw cap with special tool 16 1 020 until notch (1) points to marking (2).
Carefully lift sensor unit (1) out of tank.
In so doing, press tab (2) against spring force in order to make it easier to feed sensor unit out of tank.
Installation:
Clean sealing faces and install new rubber sealing ring.
Service cap can only be installed in one position.
When installing, make sure lug (1) of service cap engages in corresponding opening (2) on fuel tank.
Make sure that the lever sensor moves freely before fitting the service cap.
Remove sensor unit (1) and hose pack (2) with auxiliary cable to left.
Installation:
When replacing the sensor unit, modify the end of the auxiliary lead to the new hose pack and carefully pull in through the tank.