Spring Lock Couplings

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 can occur. Apply clean engine oil to the end of the tube before inserting the tube into the connector.

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 can occur. Always install plugs to any open orifices or tubes.

1. WARNING: Before beginning any service procedure in this section, refer to Safety Warnings in section 100-00 General Information. Failure to follow this instruction may result in serious personal injury.

   Refer to: Gasoline and Gasoline-Ethanol Fuel Systems Health and Safety Precautions (100-00 General Information, Description and Operation).
   

1. If servicing a liquid fuel tube spring lock coupling, release the fuel system pressure.
   Refer to: Fuel System Pressure Release (310-00A Fuel System - General Information - 1.6L Duratec-16V Ti-VCT (88kW/120PS) - Sigma, General Procedures).
   

1. Disconnect the battery ground cable.
   Refer to: Battery Disconnect and Connect (414-01 Battery, Mounting and Cables, General Procedures).
   

1. Install the Spring Lock Coupling Disconnect Tool on the tube and push into the spring lock coupling to release.
   Special Tool(s) : 310-250 Disconnect Tool, Fuel Line

1. Separate the spring lock coupling from the tube.
   

1. Align and push the spring lock coupling onto the tube until fully seated.
   

1. Pull on the coupling to make sure it is fully engaged.
   

1. Connect the battery ground cable.
   Refer to: Battery Disconnect and Connect (414-01 Battery, Mounting and Cables, General Procedures).
   

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