Ford Freestar, Monterey 2004-2006

Fuel Rail (Supply Manifold) & Injectors

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Removal & Installation



  1. Disconnect the negative battery cable.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Disconnect the fuel charging wiring harness.
  6.  
  7. Remove the fuel pressure vacuum connector and fuel supply line.
  8.  
  9. Remove the fuel injection supply manifold, with injectors attached.
  10.  
  11. Remove the retaining clips and separate the injectors from the supply manifold.

    Click image to see an enlarged view

    Fig. Fuel injectors and supply manifold-3.9L and 4.2L engines-2004-05



    Click image to see an enlarged view

    Fig. Fuel injectors and supply manifold-3.9L and 4.2L engines-2006

  12.  

To install:

  1. Inspect fuel injector O-rings for signs of deterioration and replace as required.
    NOTE
    Never use silicone grease on fuel injectors.

  2.  
  3. Lubricate O-rings with clean engine oil and position fuel injectors on the supply manifold. Install the retaining clips.
  4.  
  5. Install the fuel injection supply manifold, making sure the injectors are seated properly. A slight rocking motion helps seat the injectors.
  6.  
  7. Install the fuel pressure vacuum connector and fuel supply line.
  8.  
  9. Install the fuel charging wiring connectors.
  10.  
  11. Start the engine and check for fuel leaks.
  12.  

 
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