Volkswagen Touareg 2004-06

Fuel Rail (Supply Manifold) & Injectors

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Removal & Installation



3.2L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Disconnect the fuel supply line.
  6.  
  7. Remove the intake manifold.
  8.  
  9. Unplug the injector wiring harness and set aside.
  10.  
  11. Remove the bolts securing the fuel rail, then pull the rail and injectors from the cylinder head.
  12.  
  13. Remove the clips securing the injectors to the rail, then pull the injector from its socket in the rail.
  14.  
  15. Installation is the reverse of removal. Use new O-rings and tighten the fuel rail bolts to 7 ft. lbs. (10 Nm).

    Click image to see an enlarged view

    Fig. Exploded view of the fuel rail and fuel injector assembly-3.2L engines

  16.  

4.2L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Remove or disconnect any components necessary to ease access to the fuel rail.
  6.  
  7. Disconnect the fuel supply line.
  8.  
  9. Unplug the injector wiring harness and set aside.
  10.  
  11. Remove the bolts securing the fuel rail, then pull the rail and injectors from the cylinder head.
  12.  
  13. Remove the clips securing the injectors to the rail, then pull the injector from its socket in the rail.
  14.  
  15. Installation is the reverse of removal. Use new O-rings and tighten the fuel rail bolts to 7 ft. lbs. (10 Nm).

    Click image to see an enlarged view

    Fig. Exploded view of the fuel rail and fuel injector assembly-4.2L engines

  16.  

 
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