Fuel Dosing Pump

REMOVAL

NOTE: The dosing pump is serviceable without removing the component from the vehicle.

Dosing Pump Fuel Line:

1. Disconnect the rubber hose at the fuel line to heater fuel pump. Leave the rubber hose on the fuel line.
2. Disconnect the fuel line between the dosing pump and the heater unit.

NOTE:
- Position and retain the heater fuel line to prevent fuel leakage while servicing the dosing pump.
- Utilize an approved fuel storage container to catch any residual fuel.

3. Disconnect the wiring harness connector to the fuel pump by depressing the integral spring and pulling the connector away from the pump.
4. Remove the dosing pump from the rubber isolator.

INSTALLATION
1. Install the dosing pump onto the rubber isolator.
2. Connect the fuel lines to the dosing pump and the heater unit.

NOTE: The connectors should point towards the heater fuel line.

3. Use aviation style clamps to attach the hose to the fuel pump nipples.
4. Connect the wire harness connector to the fuel pump by depressing the integral spring and pushing the connector towards the dosing pump. Pull the connector towards the heater to verify the installation.
5. Verify function of the supplemental heater.