Fuel Pump: Service and Repair
WM 206619 Removing and installing fuel pump
Technical values
Preliminary work
DANGER
Risk of fire from escaping fuel.
- Danger of fatal injury and damage to property.
-> Observe basic safety instructions when working on the fuel system.
-> Secure working area.
1. Place protective covers on the vehicle.
2. Disconnect and remove the battery.
-> 270619 Removing and installing battery - section on "Removing" 27061900 Removing and installing battery.
3. Remove carrier plate for battery.
Unscrew four hexagon collar nuts (M8) -1- and remove the cover.
3.1. Seal must be checked for damage and replaced if necessary.
Carrier plate for battery
4. Remove fuel level sensor.
-> 201519 Removing and installing fuel level sensor - section on "Removing" Service and Repair.
5. Remove fuel down to the mounting for the fuel pump.
-> 2010EN Draining and filling the fuel tank - section on "Draining" Removal and Replacement.
Removing fuel pump
1. Remove the fuel pump.
1.1. Turn the fuel pump anti-clockwise (bayonet lock).
1.2. Carefully guide fuel pump out of the tank opening (pay attention to the installation position).
Fuel pump
Installing fuel pump
1. Install fuel pump.
Installing fuel pump
1.1. Insert fuel pump into the mounting in the fuel tank.
1.2. Turn the fuel pump clockwise as far as it will go.
Pull to check that pipes and hoses are secure.
Subsequent work
1. Install fuel level sensor.
-> 201519 Removing and installing fuel level sensor - section on "Installing" Service and Repair.
2. Install carrier plate for battery. Tighten four M8 hexagon collar nuts.
=> Tightening torque: 23 Nm (17 ftlb.)
3. Install the battery.
-> 270619 Removing and installing battery - section on "Installing" 27061900 Removing and installing battery
-> 2X00IN02 Work instructions after disconnecting the battery Work Instructions After Disconnecting the Battery.
4. Fill fuel that was removed back into the fuel tank.
-> 2010EN Draining and filling the fuel tank - section on "Filling" Removal and Replacement.
5. Carry out a function test and check the system for leaks.
6. Calibrate fuel level sensor system.
-> 2015IN Calibrating fuel level sensor system Testing and Inspection.
7. Remove protective covers.