Fuel Line Disconnect Fittings: Notes
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Replace plastic fuel line retainers whenever fuel supply lines are disconnected at fuel filter and fuel rail. Install new retainer into female portion of connection. Care must be taken to assure that locking tab is centered in window of female connection. Firmly press male and female portions together until a click noise is heard, then pull firmly back to confirm engagement.