When working on the fuel system, insect the lines and connections for cracks, leakage and deformation. Inspect the fuel tank vapor vent system hose and connections for looseness, sharp bends or damage. Check the fuel tank for any deformation due to bad driving conditions. Inspect the bands for rust or cracks. The tank bands should be secure and not loose. Check the filler neck for damage or leakage.
Flare Nut Fitting
Always use a back-up wrench when removing and installing fuel lines.
Apply a light coat of engine oil to the flare and tighten the flare nut by hand. Using a torque wrench, tighten the flare nut to 17 ft. lbs. (24 Nm) on fuel pump side and 22 ft. lbs. (30 Nm) for all others.
Use a torque wrench with a fulcrum length of 11.81 inch (30 cm).
Union Bolt Type
- Place a container under the connection.
- Slowly loosen the connection. Have a rag handy to clean up any split fuel.
- Separate the connection.
- Plug the connection with a rubber plug.
- When connecting the union bolt on the high pressure line, always use a new gasket.
- Always tighten the union bolt by hand. Tighten the bolt to 22 ft. lbs. (29 Nm).