Spring Lock Couplings

Spring Lock Couplings









Disconnect

WARNING: Do not smoke, carry lighted tobacco or have an open flame of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

WARNING: Before working on or disconnecting any of the fuel tubes or fuel system components, relieve the fuel system pressure to prevent accidental spraying of fuel. Fuel in the fuel system remains under high pressure, even when the engine is not running. Failure to follow this instruction may result in serious personal injury.

WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

WARNING: When handling fuel, always observe fuel handling precautions and be prepared in the event of fuel spillage. Spilled fuel may be ignited by hot vehicle components or other ignition sources. Failure to follow these instructions may result in serious personal injury.

WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

NOTICE: Fuel injection equipment is manufactured to very precise tolerances and fine clearances. It is essential that absolute cleanliness is observed when working with these components or component damage may occur. Always install plugs to any open orifices or tubes.

NOTICE: When reusing liquid or vapor tube connectors, make sure to use compressed air to remove any foreign material from the connector retaining clip area before separating from the tube or damage to the tube or connector retaining clip may occur. Apply clean engine oil to the end of the tube before inserting the tube into the connector.

1. Release the fuel system pressure. For additional information, refer to Fuel System Pressure Release - 6.0L Diesel Service and Repair.

2. Disconnect the battery ground cable.

3. Disconnect the safety clip from the male end.





4. Install the Spring Lock Coupling Disconnect Tool and press it into the spring lock coupling.





5. Separate the spring lock coupling.





Connect

1. Inspect and clean both spring lock coupling ends.

2. NOTE: Make sure the fuel tube clicks into place when installing the tube. To make sure that the fuel tube is fully seated, pull on the tube.

NOTE: Lubricate the spring lock coupling with clean engine oil to ease assembly.

Align and push the fuel tube spring lock coupling until a click is heard.





3. Pull on the spring lock coupling to make sure it is fully seated, then install the fuel tube safety clip on the male end.





4. Connect the battery ground cable.