Work procedure
WARNING: This page is about a different variant/trim than selected.
- Observe safety precautions before performing repair work. Refer to Safety precautions when working on fuel supply system .
NOTE:
- To perform repair work, the Ground (GND) cable must be disconnected from battery. Check whether a coded radio is installed. If so, obtain anti-theft coding beforehand.
- With ignition switched off disconnect battery Ground (GND) strap.
- Remove cover under bench seat.
CAUTION:
- The fuel or fuel lines in fuel system can become very hot (danger of scalding)!
- In addition, the fuel system is under pressure! Before opening the system, place rags around the connection area and release pressure by carefully loosening the connection!
- Wear protective goggles and protective gloves when working on the fuel system!
- Disconnect 4-pin connector and fuel hoses from fuel pump (right side of vehicle), and remove fuel pump. Refer to Fuel Pump (FP), removing and installing .
- Remove fuel level sensor 2 G169 union nut on left side of vehicle.
- Lift fuel level sensor 2 upward as far as possible.
Fig 3: Separating Cable Ties From Fuel Lines & Spreading Apart The Mount For Suction Jet Pump On Fuel Level Sensor 2
- Separate cable ties from fuel lines - arrow - and carefully spread apart the mount for suction jet pump on fuel level sensor 2.
- Unclip and remove suction jet pump with supply and return lines on fuel level sensor 2.
- Check that the fuel hoses/lines on suction jet pump are installed securely and are not damaged.
- Check suction jet pump for contamination/dirt if necessary.
If no malfunctions are found:
- Install suction jet pump and fuel level sensor 2 in reverse order.
NOTE:
- Before installing the fuel pump and fuel level sensor 2, make sure that the seal is dry when setting into the fuel tank opening.
- If seals are swollen with fuel, always replace.