Sentra 2007

Rocker Arm (Valve) Cover

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Removal & Installation



2.0L Engine

Specific to:

Nissan Sentra 2007-2012

  1. Remove the intake manifold. Refer to Intake Manifold in the Engine Mechanical Section.
  2.  
  3. Remove the four ignition coils.
    NOTE
    Handle intake manifold carefully and avoid impacts.


    NOTE
    Never disassemble.

  4.  
  5. Remove the four spark plugs using Tool J-48891
    NOTE
    Never drop or shock spark plugs.

  6.  
  7. Remove rocker cover.
    1. Loosen bolts in reverse order as shown in the accompanying illustration.

      Click image to see an enlarged view

      Fig. Rocker arm cover tightening sequence-loosen in the reverse order



      Click image to see an enlarged view

      Fig. Exploded view of the ignition coil, spark plug, and rocker cover components

    2.  

  8.  

To install:

  1. Install rocker cover gasket to rocker cover.
  2.  
  3. Install rocker cover.
  4.  
  5. Tighten bolts in proper order as shown in the accompanying illustration.
  6.  
  7. Install the four spark plugs using Tool J-48891
    NOTE
    Never drop or shock spark plugs.


    NOTE
    Handle intake manifold carefully and avoid impacts.


    NOTE
    Never disassemble.

  8.  
  9. Install the four ignition coils.
  10.  
  11. Install the intake manifold. Refer to Intake Manifold in the Engine Mechanical Section.
  12.  

2.5L Engine

Specific to:

Nissan Sentra 2007-2012

  1. Disconnect the battery negative terminal. Refer to Battery in the Engine Electrical Section.
  2.  
  3. Remove the engine room cover.
  4.  
  5. Remove engine coolant reservoir.
  6.  
  7. Remove the ignition coil. Refer to Ignition Coils in the Engine Electrical Section.
  8.  
  9. Install a suitable jack under engine.
  10.  
  11. Remove engine mounting insulator and bracket (RH). Refer to Engine in the Engine Mechanical Section.
  12.  
  13. Remove PCV hose.
  14.  
  15. Loosen the bolts in the numerical order as shown using power tool.
  16.  
  17. Remove the rocker cover. Remove the oil filler cap and PCV valve if necessary, to transfer to the new rocker cover.

    Click image to see an enlarged view

    Fig. Exploded view of the rocker cover-2.5L engine



    Click image to see an enlarged view

    Fig. Remove the rocker cover. Remove the oil filler cap and PCV valve if necessary, to transfer to the new rocker cover.

  18.  

To install:

  1. Apply RTV Silicone Sealant or equivalent to the joint part of the cylinder head and camshaft bracket using the following the steps:
    1. Follow illustration -a- to apply sealant to joint part of No.1 camshaft bracket and cylinder head.
    2.  
    3. Follow illustration -b- to apply sealant in a 90°angle to the illustration -a-.

      Click image to see an enlarged view

      Fig. Apply RTV Silicone Sealant to the joint part of the cylinder head and camshaft bracket using the following the steps: 1. Follow illustration -a- to apply sealant to joint part of No.1 camshaft bracket and cylinder head. 2.Follow illustration -b- to apply sealant in a 90°angle to the illustration -a-.

    4.  

  2.  
  3. Install the rocker cover.
    1. The rocker cover gasket must be securely installed in the groove in the rocker cover.
    2.  

  4.  
  5. Tighten the rocker cover bolts in two steps, in the numerical order as shown in the accompanying illustration.
    1. Step 1 : 17 inch lbs. (1.96 Nm)
    2.  
    3. Step 2 : 74 inch lbs. (8.33 Nm)

      Click image to see an enlarged view

      Fig. Tighten the rocker cover bolts in two steps, in the numerical order as shown in the accompanying illustration

    4.  

  6.  
  7. Connect the PCV hose and breather hose to the rocker cover. If necessary, install the oil filler cap and PCV valve and lubricate the PCV valve O-ring with new engine oil.
  8.  
  9. Install the ignition coils. Refer to Ignition Coils in the Engine Mechanical Section.
  10.  
  11. Install engine mounting insulator and bracket (RH). Refer to Engine in the Engine Mechanical Section.
  12.  
  13. Remove jack from under engine.
  14.  
  15. Install the ignition coil. Refer to Ignition Coils in the Engine Electrical Section.
  16.  
  17. Install engine coolant reservoir.
  18.  
  19. Install the engine room cover.
  20.  
  21. Connect the battery negative terminal. Refer to Battery in the Engine Electrical Section.
  22.  

 
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