Spring Lock Coupler
REMOVAL1. Relieve the fuel system pressure.
CAUTION: Do not use any sharp tool or screwdriver as it may damage the spring lock coupling.
Fuel Tube Clip:
2. Remove the fuel tube clip from the spring lock coupling by hand.
3. Twist the fitting to free it from any adhesion at the O-ring seals.
4. Fit Disconnect Tool D87L-9280-A (3/8 inch) or D87L-9280-B (1/2 inch) or equivalent to the coupling.
Disconnect Tool:
5. Close the tool and push it into the open side of the cage to expand the garter spring and release the female fitting.
6. After the garter spring is expanded, pull the fittings apart.
7. Remove the tool from the disconnected coupling.
INSTALLATION
Spring Lock Coupler:
1. Be sure the garter spring is in the cage of the male fitting. if the garter spring is missing, install a new spring by pushing it into the cage opening. If the garter spring is damaged, remove it from the cage with a small wire hook (do not use a screwdriver) and install a new spring.
NOTE: Replacement garter springs:
E1ZZ-19E576-A (3/8 inch)
E1ZZ-19E576-B (1/2 inch)
2. Clean all dirt or foreign material from both pieces of the coupling.
Fuel Tube Coupling:
3. Replace the missing or damaged O-rings. Use only the O-rings listed in the illustration. Lubricate the male fitting, the O-rings and the inside of the female fitting with clean engine oil meeting Ford specification ESE-M2C39-F such as Motorcraft oil, or equivalent.
CAUTION: Use only the specified O-rings as they are made of a special material. The use of any O-rings other than the specified O-rings may cause the connection to leak intermittently during vehicle operation.
4. Fit the female fitting to the male fitting and push until the garter spring snaps over the flared end of the female fitting.
Garter Spring:
5. Ensure coupling engagement by pulling on the fitting and visually checking it to be sure the garter spring is over the flared end of the female fitting.
NOTE: All vehicles require the large "black" clip to be installed on the supply side fuel line and the small "gray" clip to be installed on the return side fuel line.
Fuel Tube Clip:
CORRECT
Fuel Tube Clip:
INCORRECT
6. Position the fuel tube clip over the metal portion of the spring lock coupling. Firmly push the fuel tube clip onto the spring lock coupling. Be sure that the horseshoe portion of the clip is over the coupling. Do not install the fuel tube clip over rubber fuel lines.