Silverado 3500 4WD V8-6.0L VIN U (2004)
4. Using compressed air, blow any dirt or debris from around the fitting.
5. Using the correct tool from J 41769 , insert the tool into the female connector, then push inward in order to release the quick connect locking tabs.
6. If the vehicle is a cab/chassis, it may be necessary to use J 43178 in order to release the quick connect locking tabs.
7. Pull the fuel line connection apart.
NOTE: If necessary, remove rust or burrs from the fuel pipes with an emery cloth. Use a radial motion with the fuel pipe end in order to prevent
damage to the O-ring sealing surface. Use a clean shop towel in order to wipe off the male tube ends. Inspect all the connections for dirt and burrs.
Clean or replace the components and assemblies as required.
8. Use a clean shop towel in order to wipe off the male connection end.
9. Inspect both ends of the fitting for dirt and burrs. Clean or replace the components as required.
INSTALLATION PROCEDURE
CAUTION: In order to reduce the risk of fire and personal injury, before connecting fuel pipe fittings, always apply a few drops of clean
engine oil to the male pipe ends. 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 connection end.
