Nissan Titan 2004-06

Valve Covers

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Removal & Installation





Click image to see an enlarged view

Fig. View of valve covers and components

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove or disconnect the following:
    CAUTION
    Do not handle valve cover (B) by oil filler neck.



    Engine cover
     
    Air duct and resonator assembly (for LH only)
     
    Harness on the upper rocker cover and its peripheral and aside
     
    Electric throttle control actuator, loosening the bolts diagonally (for LH only)
     
    Ignition coils
     
    PCV hose from the PCV control valves
     



    Bolts in reverse order shown in tightening sequence illustration using power tool for valve cover (A) or (B)
     
    Valve cover

    Click image to see an enlarged view

    Fig. Valve cover tightening sequence

     

  4.  

To install:

Click image to see an enlarged view

Fig. Applying liquid gasket to No.1 camshaft bracket

  1. Use Genuine RTV Silicone Sealant or equivalent. Refer to illustration -a- to apply liquid gasket to the joint part of No.1 camshaft bracket and cylinder head.
  2.  
  3. Refer to illustration -b- to apply liquid gasket 90° to illustration -a-.
  4.  
  5. Install valve cover.
  6.  
  7. Make sure the new rocker cover gasket is installed in the groove of the rocker cover.
  8.  
  9. Tighten the bolts in sequence and to specification by performing the following:
    NOTE
    Remove foreign materials from inside the hose using compressed air. The inserted length is within 0.98 - 1.18 inches (25 - 30 mm).



    First pass: 18 inch lbs. (2 Nm)
     
    Second pass: 73 inch lbs. (8 Nm)
     

  10.  
  11. Install the PCV hoses
  12.  
  13. To complete installation, reverse remaining removal procedure.
  14.  

 
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