Fuel Pump: Service and Repair

16 11 090 Removing And Installing/replacing Delivery Unit (Petrol)







Special tools required:
- 16 1 020







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).

Before starting the engine for the first time:
- Fill fuel tank with at least 5 litres of fuel.







Necessary preliminary work:
- Extract fuel from fuel tank
- Remove right rear seat







Fold carpet forwards slightly.
Release nuts (1) and remove cover (2).

Installation note:
Tightening torque 16 11 2AZ.







Disconnect plug connection (1).
Unlock and disconnect quick-connect coupling (2).

Installation note:
Make sure that quick-release fastener is correctly engaged.

IMPORTANT: Catch escaping fuel in a suitable container.







Release screw cap (1) with special tool 16 1 020.

Installation note:
Replace screw cap (1).
Replace rubber gasket.
Tightening torque 16 14 2AZ.







Carefully feed fuel pump (1) out of fuel tank.

IMPORTANT:
- Do not bend sensor.
- Catch escaping petrol/gasoline.