Canyon, Colorado 2004-2005

Fuel Rail (Supply Manifold) & Injectors

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Fuel feed and return lines from fuel rail.
     
    Vent hoses from the air cleaner resonator and fuel pressure regulator
     
    EVAP purge hose
     
    Intake manifold
     
    Fuel injector harness from the engine wiring harness
     
    Fuel rail mounting bolts
     
    Fuel rail
     
    Fuel injector connector from the injector
     
    Injector retaining clip
     
    Fuel injector from the fuel rail
     

  6.  
  7. Discard the retainer clip and remove and discard the 2 O-rings from the injector.

    Click image to see an enlarged view

    Fig. Exploded view of fuel injector-Canyon & Colorado

  8.  

To install:

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

    O-rings and retainer clip on the injector
     
    Fuel injector into the fuel rail socket
     
    Fuel rail. Torque the bolts to 89 inch lbs. (10 Nm).
     
    Fuel injector harness
     
    Intake manifold
     
    EVAP purge hose
     
    Vent hoses to air cleaner resonator and fuel pressure regulator
     
    Fuel feed and return lines
     
    Negative battery cable
     

  4.  
  5. Turn the ignition ON for 10 seconds and then turn it OFF for 10 seconds. Again turn the ignition ON and check for leaks.
  6.  

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Fuel feed and return lines from fuel rail.
     
    Vent hoses from the air cleaner resonator and fuel pressure regulator
     
    EVAP purge hose
     
    Intake manifold
     
    Fuel injector harness from the engine wiring harness
     
    Fuel rail mounting bolts
     
    Fuel rail
     
    Fuel injector connector from the injector
     
    Injector retaining clip
     
    Fuel injector from the fuel rail
     

  6.  
  7. Discard the retainer clip and remove and discard the 2 O-rings from the injector.

    Click image to see an enlarged view

    Fig. Exploded view of fuel injector-Canyon & Colorado

  8.  

To install:

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

    O-rings and retainer clip on the injector
     
    Fuel injector into the fuel rail socket
     
    Fuel rail. Torque the bolts to 89 inch lbs. (10 Nm).
     
    Fuel injector harness
     
    Intake manifold
     
    EVAP purge hose
     
    Vent hoses to air cleaner resonator and fuel pressure regulator
     
    Fuel feed and return lines
     
    Negative battery cable
     

  4.  
  5. Turn the ignition ON for 10 seconds and then turn it OFF for 10 seconds. Again turn the ignition ON and check for leaks.
  6.  

 
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