SRX 2006-2007

Intake Manifold

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Removal & Installation



3.6L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Drain the cooling system.
  6.  
  7. Remove or disconnect the following:

    Negative battery cable
     
    Engine cover
     
    Air intake assembly
     
    Brake booster hose
     
    Intake manifold brace
     
    PCV tube assembly
     
    EVAP hose
     
    EVAP solenoid
     
    All necessary electrical connectors
     
    Intake manifold mounting bolts
     
    Intake manifold

    Click image to see an enlarged view

    Fig. Upper to lower intake manifold mounting-3.6L engine



    Click image to see an enlarged view

    Fig. Intake manifold mounting-3.6L engine

     

  8.  

To install:

  1. Installation is the reverse of the removal procedure, using the following torque specifications.

    New intake manifold gasket
     
    Upper-to-lower intake manifold bolts, if removed, to 17 ft. lbs. (23 Nm).
     
    Intake manifold bolts and tighten all bolts in a circular manner from the center outward to 17 ft. lbs. (23 Nm).
     
    Intake manifold brace-Bolt 1 to 89 inch lbs. (10 Nm). Bolt 2 to 48 ft. lbs. (65 Nm).
     

  2.  
  3. Fill and bleed the engine cooling system.
  4.  
  5. Connect the negative battery cable.
  6.  
  7. Start the engine and check for leaks.
  8.  

4.6L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Relieve the fuel system pressure.
  6.  
  7. Remove or disconnect the following:

    Cross brace
     
    Engine cover/sight shield
     
    PCV air tubes
     
    Sight shield bracket
     
    Fuel rail and injector assembly
     
    Intake manifold retaining bolts
     
    Intake manifold
     

  8.  

To install:

Click image to see an enlarged view

Fig. Intake manifold tightening sequence-4.6L engine

To install:

  1. Lightly grease the inside edge of the rubber plenum duct.
  2.  
  3. Install new intake manifold gaskets and position the front of the manifold into the plenum duct.
  4.  
  5. Seat the manifold on the cylinder heads and install the manifold bolts.
  6.  
  7. Tighten the bolts in sequence to 89 inch lbs. (10 Nm).
  8.  
  9. Ensure the plenum duct is fully attached to the manifold, then install the plenum duct clamp.
  10.  
  11. Lightly lubricate the fuel injector bores with clean engine oil.
  12.  
  13. Install the fuel rail and injectors and tighten to 89 inch lbs. (10 Nm).
  14.  
  15. Install or connect the following.

    Sight shield bracket
     
    PCV air tubes
     

  16.  
  17. Fill and bleed the cooling system.
  18.  
  19. Start the engine and check for leaks.
  20.  

 
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