Fuel Lines and Connectors
SPRING LOCK COUPLINGFuel Line Couplings:
REMOVAL
1. Relieve fuel system pressure.
2. Disconnect negative battery cable.
3. Remove retaining clip from spring-lock coupling by hand only. DO NOT use sharp tools or screwdriver; it may damage coupling.
4. Twist fitting to free it from any adhesion at O-ring seals.
5. Fit Spring-Lock Coupling Tool D87L-9280-A (3/8 inch) or D87L-9280B (1/2 inch), or equivalent, to coupling.
6. Close tool and push into open side of cage to expand garter spring and release female fitting.
7. After garter spring is expanded, pull fittings apart.
8. Remove tool from disconnected coupling.
INSTALLATION
1. Ensure garter spring is in cage of male fitting. If garter spring is missing, install a new spring by pushing it into cage opening. If spring is damaged, remove it from cage with a small wire hook (do not use a screwdriver) and install a new spring.
2. Clean all dirt or foreign material from both pieces of coupling.
3. Replace missing or damaged O-rings. Lubricate male fitting, O-rings, and inside of female fitting with clean engine oil.
CAUTION: Use only specified O-rings made of a special material. The use of O-rings other than specified may permit intermittent leaks during vehicle operation.
4. Fit female fitting to male fitting and push until garter spring snaps over flared end of female fitting.
5. Ensure coupling engagement by pulling on fitting and visually checking to ensure garter spring is over flared end of female fitting.
6. Position retaining clip over metal portion of spring lock coupling. Firmly push retaining clip onto spring-lock coupling. Ensure horseshoe portion of clip is over the coupling. DO NOT install retaining clip over rubber fuel line.
NOTE: Install large "black" clip to supply side fuel line and smaller "gray" clip to return side fuel line.
DUCKBILL CLIP CONNECTOR
Duckbill Clip Connector:
REMOVAL
To release clip and remove duckbill, use special tool shown or pliers with thin jaws. Pull connector apart gently.
Duck Bill Clip:
INSTALLATION
1. Install fitting onto tube and push until a "click" is heard..
2. Pull on fitting to ensure it is fully engaged.
HAIRPIN CLIP CONNECTOR
Hair Pin Clip:
REMOVAL
1. Inspect push connect fittings for accumulation of dirt. If more than a light coating of dust is present, clean fitting before disassembly.
2. Some adhesion between seals in fitting and tubing will occur with time. To separate, twist fitting on tube, then push and pull fitting until it moves freely on tube.
3. Remove "hairpin" type clip from fitting by:
a. Bend shipping tab downward so that it will clear body.
b. Spread the clip legs approximately 3.2 mm (1/8 inch) each to disengage the body and push legs into the fitting.
c. Lightly pull from triangular end of clip and work it clear of tube and fitting.
CAUTION: Do not use any tools.
4. Grasp fitting and hose assembly and pull in an axial direction to remove fitting from steel tube.
5. Once fitting is removed from tube end, inspect fitting and tube for internal parts that may have been dislodged from fitting.
INSTALLATION
1. It is recommended that the original clip not be reused. To install a new clip, insert it into any two adjacent openings with the triangular portion pointing away from the fitting opening. Install clip to fully engage the body (legs) of "hairpin" clip locked on outside of body.
2. Before installing fitting on tube, wipe tube end clean with a cloth. Inspect fitting to ensure it is free of dirt and/or obstructions.