16 14 200 Removing and Installing or Replacing Fuel Pump

16 14 200 Removing And Installing Or Replacing Fuel Pump

Special tools required:







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







IMPORTANT:
Ensure adequate ventilation in the workbay.
Avoid skin contact (wear gloves).
Ensure absolute cleanliness when performing repair work on the open fuel system. Dirt contamination in the fuel tank can impair driving operation or may even result in vehicle breakdown.
Ensure absolute cleanliness when working with fuel in the vehicle interior.







Necessary preliminary work:
- Draw off fuel
- Remove rear seat







Fold floor trim (1) to one side.
Unscrew nuts (2).
Remove cover for service opening (3).







Disconnect plug connection (1).
Unlock and disconnect quick-connect coupling (2).
If necessary, release and detach fuel line for auxiliary heating.

Installation note:
Check gasket (3), replace if necessary.







Fit special tool 16 1 190 with wide crank web (1) towards rear onto locking ring (2).
Connect special tool 33 5 070 to 1/2 inch reversible ratchet head (3) and position on special tool 16 1 190.
Release locking ring (2) in counterclockwise direction.







Raise flange cover (1).
Disconnect plug connection (2) to left fuel level sensor.

Installation note:
Replace seal between fuel tank and flange cover (1).







Raise fuel pump (1).
Unlock and disconnect quick-connect coupling (2).
Remove fuel pump together with fuel level sensor from fuel tank.

Installation note:
Make sure quick-release fastener is correctly engaged.
Make sure the fuel level sensor is not damaged when fitting in tank.







The following components must be reinstalled when replacing the fuel pump:
- Fuel level sensor