16 14 010 Removing and installing or replacing fuel pump (petrol/gasoline)
Special tools required:
- 16 1 020
Ensure absolute cleanliness when working on the open fuel tank.
Contaminants in the fuel tank can impair driving operation or may even result in vehicle breakdown!
Necessary preliminary tasks:
Release screws (1) and remove cover (2) from right side of fuel tank.
Disconnect plug connection (1).
Unlock and detach vent line (2).
If necessary, remove fuel line for independent heating.
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 raise service cap (1).
Unlock and detach vent line (2).
Installation:
Clean sealing faces and install new seal (3).
Make sure that the lever sensor moves freely before fitting the service cap.
Locating rods (4) must fit correctly in the hole of the delivery unit.
Installation:
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.
Unclip black return lines (1) from bracket.
Unlock and disconnect quick-release fastener (2) of fuel line.
Draw off remaining fuel from surge chamber.
Carefully lift fuel pump with fuel level sensor (3) out of fuel tank. If necessary, turn fuel pump 90° counterclockwise and tilt towards lever sensor.