Toyota Highlander 6 2001-06

Fuel Rail (Supply Manifold) & Injectors

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Removal & Installation



2.4L Engines
  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Remove or disconnect the following:

    Air cleaner and hoses
     
    Fuel line from the rail
     
    Injector connectors
     
    Injector wiring harness
     
    Fuel rail with injectors
     
    Injector spacers from the head
     

  6.  
  7. Installation is the reverse of removal. Coat the new o-rings with clean fuel. Before tightening the fuel rail bolts, make sure that each injector rotates smoothly. Tighten the bolts to 15 ft. lbs. (20 Nm).

    Click image to see an enlarged view

    Fig. Fuel injectors and related parts-2004 2.4L Highlander model shown

  8.  

3.0L Engine
  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Remove or disconnect the following:

    Coolant
     
    V-bank cover
     
    Battery
     
    Air cleaner assembly
     
    Upper front suspension brace
     
    Intake air surge tank
     
    Fuel supply line
     
    Injector connectors
     
    Fuel rail with injectors
     

  6.  
  7. Installation is the reverse of removal. Coat the new o-rings with clean fuel. Before tightening the fuel rail bolts, make sure that each injector rotates smoothly. Tighten the bolts to 84 inch lbs. (10 Nm).
  8.  

 
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