K 2500 Truck 4WD V8-305 5.0L VIN M SFI (1996)
Fuel Line Coupler: Service and Repair
REMOVAL PROCEDURE
1. Grasp both sides of the fitting. Twist the female connector 1/4 turn in each direction to loosen any dirt within the fitting.
WARNING: Wear safety glasses when using compressed air because flying dirt particles may cause eye Injury.
2. Using compressed air, blow dirt out of the fitting.
3. Choose the correct tool from J37O88 tool set for size of the fitting. Insert the tool into the female connector, then push inward to release the
locking tabs.
4. Pull the connection apart.
CLEANING AND INSPECTION
CAUTION: If it is necessary to remove rust or burrs from a fuel pipe, use emery cloth in a radial motion with the fuel pipe end in order to prevent
damage to the O-ring sealing surface. Using a clean shop towel, wipe off the male pipe end. Inspect both ends of the fitting for dirt and burrs. Clean or
replace components/assemblies as required.
INSTALLATION PROCEDURE
WARNING: To Reduce the Risk of Fire and Personal Injury: Before connecting the fluing, always apply a few drops of clean engine oil to the
male pipe end. This will ensure proper reconnection and prevent a possible fuel leak. (During normal operation, the O-rings located in the
female connector will swell and may prevent proper reconnection if not lubricated.
1. Apply a few drops of clean engine oil to the male pipe end.
2. Push both sides of the fitting together to cause the retaining tabs/fingers to snap into place.
3. Once installed, pull on both sides of the fitting to make sure the connection is secure.
