Some early model vehicles do not have quick-connect fuel line fittings. They use a threaded union with a hex head fitting. On these vehicles, just make sure to use a back-up wrench on the fuel lines when disconnecting them.
If your vehicle is equipped with metal quick-connect fittings, a special tool will be required to service the fittings.
- Disconnect the negative battery cable.
- Properly relieve the fuel system pressure.
- If equipped, slide the dust cover back to access the fuel line fitting.
Grasp both ends of the fitting, Twist the female connector 1 / 4 turn in each direction to loosen any dirt within the fittings. If available, use compressed air to blow out any dirt from the quick-connect fittings.
See Figures 1 and 2
If the fittings are metal:
- Choose the correct size releasing tool and insert it into the female connector.
- Push inward to release the locking tabs.
- Pull the connector apart.
It may be necessary to remove rust or burrs from the male end of a quick-connect fitting. If this is the case, use an emery cloth to clean the tube by rotating the cloth in a radial motion.
For plastic type fittings, which are hand releasable:
- Squeeze the plastic retainer release tabs.
- Pull the connection apart.
- Using a clean shop towel, wipe off the male ends of the tube.
Apply a few drops of lubricant (clean engine oil), to the male end of the tube before reconnecting the fittings.
- Push the connectors together until you can hear an audible click, indicating they have locked.
- Once installed, pull on both ends of the connection to make sure it is secure.
- If equipped, slide the fuel fitting dust cover back into place.
- Connect the negative battery cable.
- Cycle the ignition key ON for two seconds, then turn it OFF . Check the connections for any leaks.