E 450 V8-5.4L (2009)
WARNING: When handling fuel, always observe fuel handling precautions and be prepared in the event of fuel spillage. Spilled fuel may be
ignited by hot vehicle components or other ignition sources. Failure to follow these instructions may result in serious personal injury.
NOTICE: Fuel injection equipment is manufactured to very precise tolerances and fine clearances. It is essential that absolute cleanliness is
observed when working with these components or component damage may occur. Always install plugs to any open orifices or tubes.
NOTICE: When reusing liquid or vapor tube connectors, make sure to use compressed air to remove any foreign material from the connector
retaining clip area before separating from the tube or damage to the tube or connector retaining clip may occur. Apply clean engine oil to the
end of the tube before inserting the tube into the connector.
NOTE: During the repair or replacement of fuel-related components, all fuel liquid and fuel vapor openings must be capped, taped or otherwise
appropriately protected to prevent the ingress of dirt or other contamination. All caps, tape and other protective materials must be removed prior to
installation.
1. If servicing a liquid fuel tube, release the fuel system pressure. For additional information, refer to Fuel System Pressure Release - 4.6L, 5.4L and
6.8L See: Fuel Filter/Fuel Pressure Release/Service and Repair or Fuel System Pressure Release - 6.0L Diesel See: Fuel Filter/Fuel Pressure
Release/Service and Repair.
2. Disconnect the battery ground cable.
3. NOTICE: Do not use any tools. The use of tools may cause a deformity in the clip components which may cause fuel leaks.
Position the secondary latch outward.
4. Squeeze both of the release tabs.
5. Remove the quick connect coupling from the tube.
Connect - Type IV
1. NOTE: Apply clean engine oil to the O-ring seals.
Install the quick connect coupling onto the tube until completely seated.
