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Home >> Ford >> 2018 >> Mustang GT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Fuel System - General Information - 2.3L ECOBOOST (231KW/314PS)) >> General Procedures >> Spring Lock Couplings

Spring Lock Couplings

WARNING: This page is about a different variant/trim than selected.

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Special Tool(s) / General Equipment 

GFD288669Courtesy of FORD MOTOR COMPANY
310-S039 (T90T-9550-S) Disconnect Tool, Spring Lock Coupling TKIT-1990-LMH

Disconnect 

NOTE: 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.
NOTE: 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. If servicing a liquid fuel tube spring lock coupling, release the fuel system pressure. Refer to: Fuel System Pressure Release .
  2. Disconnect the battery ground cable. Refer to: Battery Disconnect and Connect .
  3. If equipped, remove the fuel tube safety clip.
    GFD288670Courtesy of FORD MOTOR COMPANY
  4. Install the Spring Lock Coupling Disconnect Tool on the tube and push into the spring lock coupling to release. Use Special Service Tool: 310-S039 (T90T-9550-S) Disconnect Tool, Spring Lock Coupling.
    GFD288671Courtesy of FORD MOTOR COMPANY
  5. Separate the spring lock coupling from the tube.
GFD288672Courtesy of FORD MOTOR COMPANY

Connect 

  1. Align and push the spring lock coupling onto the tube until fully seated.
    GFD288673Courtesy of FORD MOTOR COMPANY
  2. If equipped, install the fuel tube safety clip.
    GFD288674Courtesy of FORD MOTOR COMPANY
  3. Pull on the coupling to make sure it is fully engaged.
  4. Connect the battery ground cable. Refer to: Battery Disconnect and Connect .