Ford Transit 2002 Owner's Manual page 1357

The fuel pressure must be released before attempting any repairs. Failure to follow these
instructions may result in personal injury.
This procedure involves fuel handling. Be prepared for fuel spillage at all times and
always observe fuel handling precautions. Failure to follow these instructions may result
in personal injury.
1. Inspect and clean both fuel line spring lock
coupling ends. Install new O-rings and garter
springs if necessary.
NOTE: Lubricate the O-rings seals with clean
2.
engine oil.
Insert the male fitting into the female end and
push until the garter spring snaps over the flared
end of the female fitting.
3. Make sure the fuel line spring lock coupling is
engaged by pulling on the lines.
4. NOTE: Make sure the collar on the fuel line is
inserted fully into the fuel line spring lock
coupling and an audible click is heard.
Install the spring lock coupling to the fuel line.
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