E 450 V8-5.4L (2009)
5. Separate the spring lock coupling.
Connect
1. Inspect and clean both spring lock coupling ends.
2. NOTE: Make sure the fuel tube clicks into place when installing the tube. To make sure that the fuel tube is fully seated, pull on the tube.
NOTE: Lubricate the spring lock coupling with clean engine oil to ease assembly.
Align and push the fuel tube spring lock coupling until a click is heard.
3. Pull on the spring lock coupling to make sure it is fully seated, then install the fuel tube safety clip on the male end.
4. Connect the battery ground cable.