Quick Release Coupling
WARNING: This page is about a different car, the 2003 Ford Windstar. However, it is still accessible from the selected car via links, so may be relevant.
Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . To disconnect fuel line, press the locking tabs on both sides and pull the quick release coupling from the line. See Fig 1. Inspect coupling and line for damage. To connect, push the quick release coupling onto the line until a click is heard. Pull on the coupling to ensure it is correctly connected.