Procedures

Emptying And Filling The Fuel Tank

Tools







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. Attach a clearly visible warning sign to the area of the vehicle on which you are working.
2. Place protective covers on the vehicle.

Carrera 2:
- Disconnect and remove battery.







- Remove carrier plate for battery. Unscrew four M8 hexagon collar nuts -1- and remove lid. Check seal for damage and replace it if necessary.

Carrera 4:
- Disconnect the battery.
- Remove luggage compartment cover.







- Remove cover for tank flange. Unscrew four M6 cap nuts -2-, remove the four washers and lift off the lid. Check seal for signs of damage.

INFORMATION: Watch out for emerging fuel when disconnecting fuel lines. Place a clean cloth on the connection point, then loosen the connection.

3. Remove fuel level sensor.

Emptying the fuel tank

DANGER:
Risk of fire from escaping fuel.
- Danger of fatal injury and damage to property.

- Observe basic safety instruction when working on the fuel system.
- Secure working area.

INFORMATION: Refer to the operating instructions for information on using the fuel transfer unit.

Using the fuel transfer unit WE 1262







Device connections












1. Get the device ready. Connect fuel hose to the tank -1- and connect venting device -2-. Then attach the pneumatic stop switch to the tank -3- and tighten the knurled nuts.

INFORMATION: When using the fuel transfer unit, always make sure that the grounding cable is connected to a ground point on the vehicle.







2. Secure grounding terminal of device to an (unpainted) ground point on the vehicle.







3. Attach the suction hose and venting device to the side connections on the device.
4. Guide suction hose as far as possible into the fuel tank.







5. Set operating lever for pump to "Suction" mode -1- and switch on the device.








6. Remove the fuel via the tank flange opening.
7. As an alternative to using the fuel transfer unit, you can also use the PIWIS Tester function for fuel pump relay activation.

Filling the fuel tank

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. Install fuel level sensor
2. Attach fuel nozzle hose package to the side connections on the device.

INFORMATION: When using the fuel transfer unit, always make sure that the grounding cable is connected to a ground point on the vehicle.







3. Secure grounding terminal of device to an (unpainted) ground point on the vehicle.







4. Insert fuel nozzle at tank filler neck.







5. Set operating lever for pump to "Refill" mode -2- and switch on the device.
6. Fill the vehicle using the fuel nozzle, then switch off and remove the device.
7. Alternatively, the vehicle can be filled using a canister and a suitable funnel.

Subsequent work

Carrera 2:
- Install carrier plate for battery. Tighten four hexagon nuts. - Tightening torque: 23 Nm (17 ftlb.).
- Install battery.

Carrera 4:
- Install cover for tank flange. Position and tighten four cap nuts and washers. - Tightening torque: 10 Nm (7.5 ftlb.).
- Install luggage compartment cover.
- Connect ground lead to battery.