SRX 2006-2007

Fuel Rail (Supply Manifold) & Injectors

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Removal & Installation



3.6L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Relieve the fuel system pressure.
  6.  
  7. Remove the intake manifold.
  8.  
  9. Remove the fuel line retaining clip.
  10.  
  11. Disconnect the feed line from the fuel rail.
  12.  
  13. Remove the fuel rail attaching bolts and remove the fuel rail with the injectors.
  14.  
  15. Disengage the fuel injector electrical connector lock.
  16.  
  17. Disconnect the injector electrical connectors.
  18.  
  19. Remove the retaining clips and remove the fuel injectors. Discard the seals.

    Click image to see an enlarged view

    Fig. Fuel injectors and fuel rail-3.6L engine



    Click image to see an enlarged view

    Fig. Disengage the connector lock-3.6L engine

  20.  

To install:

  1. Install new fuel injector seals.
  2.  
  3. Reverse the removal procedure to install the fuel rail and injectors. Tighten the fuel rail bolts to 89 inch lbs. (10 Nm).
  4.  
  5. Start the engine and check for fuel leaks.
  6.  

4.6L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Relieve the fuel system pressure.
  6.  
  7. Remove the front end cross vehicle brace.
  8.  
  9. Disconnect the feed line from the fuel rail.
  10.  
  11. Remove the PCV air hose.
  12.  
  13. Disconnect the EVAP quick connect fitting.
  14.  
  15. Open the fuel line retainers at the rear of the engine.
  16.  
  17. Disconnect the fuel injector electrical connectors.
  18.  
  19. Remove the injector shield bracket.
  20.  
  21. Remove the fuel rail attaching bolts and remove the fuel rail with the injectors.
  22.  
  23. Remove the retaining clips and remove the fuel injectors. Discard the O-ring seals.

    Click image to see an enlarged view

    Fig. Fuel injectors and fuel rail-4.6L engine

  24.  

To install:

  1. Install new fuel injector seals after coating them with clean engine oil.
  2.  
  3. Reverse the removal procedure to install the fuel rail and injectors. Tighten the fuel rail bolts to 89 inch lbs. (10 Nm).
  4.  
  5. Turn the ignition on for 2 seconds. Turn the ignition off for 10 seconds. Turn the ignition on and check for fuel leaks.
  6.  

 
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