16 14 200 Removing and installing/replacing electric fuel pump (N57)
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.
Avoid skin contact (wear gloves)!
Ensure absolute cleanliness when performing repair work on the open fuel system. Dirt contamination in the fuel tank may impair driving or may even result in vehicle breakdown.
Necessary preliminary tasks:
- DRAW OFF FUEL .
- Remove REAR SEAT .
When renewing the electric fuel pump, the vehicle-side connector must be renewed without fail.
The procedure for connecting the cables with the wiring harness is described in: CRIMPING ON STOP PARTS
If the vehicle-side connector has already been renewed once, the connector does not have to be renewed again.
Fold both floor trims (1) to the side.
Unfasten screws (2).
Remove cover for service opening (3).
Disconnect plug connection (1).
Disconnect fuel lines (2).
Installation note:
Check gasket (3), replace if necessary.
Vehicles with auxiliary heating:
Disconnect plug connection (1).
Disconnect fuel lines (2).
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 with reversible ratchet head 1/2" (3) and position on special tool 16 1 190 .
Release locking ring (2) in counterclockwise direction.
Disconnect plug connection (1).
Installation note:
Replace sealing ring (2).
Unlock and detach quick-connect couplings (1).
Installation note:
Make sure quick-release fasteners are correctly latched.
Pull connector (2) up and out in direction of arrow.
Feed hose pipe with pressure line out of fuel tank.
Installation note:
Make sure hose pipe is correctly installed.
Press tabs (1) outward in the direction of the arrows.
Remove electric fuel pump (2) upwards.
Installation note:
Make sure installation position of the lower fine screen on the electrical fuel pump in the surge tank is correct.
Make sure additive pump is correctly latched in the surge tank.