Vue 2006-2007

Fuel Rail (Supply Manifold) & Injectors

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Removal & Installation



2.2L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Properly relieve the fuel system pressure.
  4.  
  5. Remove or disconnect the following:

    The negative battery cable
     
    The air cleaner assembly
     
    The engine harness and position aside
     
    The fuel rail bracket from the rear of the can cover
     
    The fuel feed line
     
    The fuel injector electrical connectors
     
    The fuel rail bolts
     
    The fuel rail with the injectors as an assembly
     
    The fuel injector retaining clip off the injector
     
    The fuel injector
     
    The fuel injector O-rings

    Click image to see an enlarged view

    Fig. Remove the retainer clip from the fuel injector-2.2L engine

     

  6.  

To install:

  1. Lubricate the new fuel injector O-ring with clean engine oil.
  2.  
  3. Install or connect the following:

    The new O-ring seals on the fuel injector
     
    The fuel injector to the fuel rail
     
    The retaining clip to the fuel injector
     
    The fuel rail and torque the bolts to 89 inch lbs. (10 Nm)
     
    The fuel injector electrical connectors
     
    The fuel feed line and tighten the fitting to 89 inch lbs. (10 Nm)
     
    The fuel line bracket and tighten the retainer to 89 inch lbs. (10 Nm)
     
    The air cleaner assembly
     
    The negative battery cable
     

  4.  
  5. Start the vehicle and check for leaks, repair if necessary.
  6.  

2.4L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Properly relieve the fuel system pressure.
  4.  
  5. Remove the air cleaner outlet duct.
  6.  
  7. Disconnect the fuel feed line quick connect fitting from the fuel rail
  8.  
  9. Disconnect the engine wiring harness electrical connector from the fuel injector wiring harness electrical connector.
  10.  
  11. Disconnect the fuel injector wiring harness electrical from the Manifold Absolute Pressure (MAP) sensor.
  12.  
  13. Remove the engine wiring harness clips from the fuel rail tabs.
  14.  
  15. Remove the fuel rail bolts.
    WARNING
    Use care when removing the fuel rail assembly in order to prevent damage to the fuel injector spray tips.

  16.  
  17. Pull the fuel rail back and upward in order to release the fuel injectors from the cylinder head ports.
  18.  
  19. Remove the fuel rail.
    NOTE
    The fuel injector tip insulators may be located on the injector or may still be located in the cylinder head. Either way, ensure that all 4 injector tip insulators are removed and discarded.

  20.  
  21. Remove and discard the fuel injector tip insulators.
  22.  
  23. Disconnect the fuel injector wiring harness electrical connectors from the fuel injectors.
  24.  
  25. Remove the fuel injector wiring harness clips from the fuel rail.
  26.  
  27. Remove the fuel injector wiring harness from the fuel rail.
  28.  
  29. Remove the fuel injector retainer.
  30.  
  31. Remove the fuel injector from the fuel rail.
  32.  
  33. Remove the fuel injector upper O-ring.
  34.  
  35. Remove the fuel injector lower O-ring.
  36.  

To install:


NOTE
The fuel injector assembly is stamped with a part number identification. Be sure to use the correct part number when ordering replacement fuel injectors.

  1. Lubricate the NEW fuel injector O-rings with clean engine oil.
  2.  
  3. Install the NEW fuel injector O-rings.
  4.  
  5. Install the fuel injector to the fuel rail.
  6.  
  7. Install the fuel injector retainer.
  8.  
  9. Install the fuel injector wiring harness clips to the fuel rail.
  10.  
  11. Connect the fuel injector wiring harness electrical connectors to the fuel injectors.
  12.  
  13. Lubricate the NEW fuel injector tip insulators with clean engine oil.
  14.  
  15. Install the NEW fuel injector tip insulators to the cylinder head.
  16.  
  17. With the fuel injectors positioned downward, lower the fuel injectors into the cylinder head ports.
  18.  
  19. Carefully push down on the fuel rail in order to insert the injectors into the cylinder head ports.
  20.  
  21. Install the fuel rail bolts. Tighten the bolts to 89 in. lbs. (10 Nm).
  22.  
  23. Install the engine wiring harness clips to the fuel rail tabs).
  24.  
  25. Connect the fuel injector wiring harness electrical to the MAP sensor.
  26.  
  27. Connect the engine wiring harness electrical connector to the fuel injector wiring harness electrical connector.
  28.  
  29. Connect the fuel feed line quick connect fitting to the fuel rail.
  30.  
  31. Install the air cleaner outlet duct.
  32.  
  33. Connect the negative battery cable.
  34.  
  35. Inspect for fuel leaks using the following procedure:
    1. Turn ON the ignition, with the engine OFF for 2 seconds.
    2.  
    3. Turn OFF the ignition for 10 seconds
    4.  
    5. Turn ON the ignition
    6.  
    7. Inspect for fuel leaks.
    8.  

  36.  

3.5L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Remove the intake manifold.
  6.  
  7. Disconnect the fuel injector electrical connectors.
  8.  
  9. Remove the fuel rail bolts.
  10.  
  11. Remove the fuel rail and injectors from the manifold as an assembly.
  12.  
  13. Remove the fuel injector retaining clip off the injector.
  14.  
  15. Remove the fuel injector.
  16.  
  17. Fuel injector O-rings and discard.
  18.  

To install:

  1. Lubricate the new fuel injector O-ring with clean engine oil.
  2.  
  3. Install new O-ring seals on the fuel injector.
  4.  
  5. Install the fuel injector to the fuel rail.
  6.  
  7. Install the retaining clip to the fuel injector.

    Click image to see an enlarged view

    Fig. Exploded view of the fuel rail assembly-3.5L engine

  8.  
  9. Install new O-rings to the injectors.
  10.  
  11. Install the fuel rail and injectors as an assembly to the manifold. Torque the bolts to 87 inch lbs. (10 Nm).
  12.  
  13. Connect the fuel injector electrical connectors.
  14.  
  15. Install the intake manifold.
  16.  
  17. Inspect for fuel leaks using the following procedure:
    1. With the engine OFF, turn ON the ignition for 2 seconds and inspect for fuel leaks.
    2.  
    3. Turn the ignition OFF for at least 10 seconds.
    4.  
    5. With the engine OFF, turn ON the ignition for 2 seconds and inspect for fuel leaks.
    6.  

  18.  
  19. Turn the ignition OFF.
  20.  

 
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