Fuel Line Connections

WARNING: This page is about a different car, the 2002 Mazda B3000 and 2001 Mazda B3000. However, it is still accessible from the selected car via links, so may be relevant.

Before disconnecting fuel lines, disconnect negative battery cable. To disconnect fuel lines, remove retaining clip from outside of fuel line coupling.
Using Disconnect Tool (49-UN01-051) for 3/8" line, or (49-UN01-052) for 1/2" line, disconnect fuel supply and return lines. See Fig 1.
Push spring lock coupling remover into cage opening to release female fitting from garter spring. Pull couplings apart. Remove spring lock coupling remover.
When installing fuel lines, install NEW "O" rings on fuel lines. Use only specified fuel resistant "O" rings (Brown in color). Before installing, lightly coat "O" rings with clean engine oil. Clean fittings and replace garter spring (if necessary).
Install female fitting onto male fitting and push until garter spring snaps over flared end of female fitting. Ensure lines are locked together and garter spring is over female fitting flared end.
Install retaining clip. Ensure horseshoe portion of clip is over coupling. DO NOT install retaining clip over rubber fuel line.

Fig 1: Disconnecting Fuel Lines

Courtesy of FORD MOTOR CO.

NOTE: Install Black retaining clip onto fuel supply line, and Gray clip onto fuel return line.