Pilot 2006-2008

Valve Covers

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Removal & Installation



Front Cover

Specific to:

Honda Pilot 2006-2008


NOTE
Be sure that you have the anti-theft codes for the audio system and navigation system, if equipped. Record the audio presets.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Turn the ignition switch OFF.
  4.  
  5. Disconnect and isolate the negative battery cable. Wait 3 minutes for the system capacitor to discharge before performing any service.
  6.  
  7. Disconnect the positive battery cable.
  8.  
  9. Remove the intake manifold.

    Click image to see an enlarged view

    Fig. Intake manifold and related components-J35A9 engine



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    Fig. Intake manifold and related components-J35Z1 engine



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    Fig. Engine cover



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    Fig. Ignition coils and related components-front bank

  10.  
  11. Remove the three ignition coils from the cylinder head.
  12.  
  13. Remove the two bolts securing the harness holder.
  14.  
  15. Remove the dipstick and the PCV hose.
  16.  
  17. Remove the valve cover retaining bolts. Remove the valve cover from the engine. Discard the gasket.

    Click image to see an enlarged view

    Fig. Front valve cover and related components-J35A9 engine



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    Fig. Front valve cover and related components-J35Z1 engine

  18.  

To install:

  1. Check the spark plug seals for damage, replace defective seals as required.
  2.  
  3. Thoroughly clean the mating surfaces of the engine and valve cover.
  4.  
  5. Install the new gasket in the groove of the cover. Make sure that the gasket is seated securely.
  6.  
  7. Position the spark plug seals on the spark plug tubes.
  8.  
  9. Install the valve cover. Visually check the seals for damage. Inspect the cover washers, replace defective washers as required.
  10.  
  11. Tighten the valve cover in three steps. In the final step tighten all bolts to 8.8 ft. lbs and in the proper sequence, see illustration.

    Click image to see an enlarged view

    Fig. Front valve cover tightening sequence-J35A9 engine



    Click image to see an enlarged view

    Fig. Front valve cover tightening sequence-J35Z1 engine

  12.  
  13. Continue the installation in the reverse order of the removal procedure.
    NOTE
    The power window reset procedure must be performed when disconnecting the battery, removing the No. 1 (20 amp) fuse in the passenger-s under dash fuse/relay box, disconnecting the 18P connector from the power window control unit, removing the window regulator, glass or glass run channel and disconnecting the driver-s door wire harness.

  14.  
  15. Turn the ignition switch OFF.
  16.  
  17. Turn the ignition switch ON (II).
  18.  
  19. Move the driver-s power window all the way down by holding the driver-s power window switch firmly down to the second detent. When the window reaches the bottom, hold the driver-s power window switch in the AUTO DOWN position for two seconds.
  20.  
  21. Move the driver-s power window all the way up without stopping by holding the driver-s power window switch firmly up to the second detent. When the window reaches the top, hold the driver-s power window switch in the AUTO UP position for two seconds.
    NOTE
    If the power window does not work in AUTO, repeat the procedure.

  22.  

Rear Cover

Specific to:

Honda Pilot 2006-2008


NOTE
Be sure that you have the anti-theft codes for the audio system and navigation system, if equipped. Record the audio presets.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Turn the ignition switch OFF.
  4.  
  5. Disconnect and isolate the negative battery cable. Wait 3 minutes for the system capacitor to discharge before performing any service.
  6.  
  7. Disconnect the positive battery cable.
  8.  
  9. Remove the intake manifold.

    Click image to see an enlarged view

    Fig. Intake manifold and related components-J35A9 engine



    Click image to see an enlarged view

    Fig. Intake manifold and related components-J35Z1 engine



    Click image to see an enlarged view

    Fig. Engine cover



    Click image to see an enlarged view

    Fig. Ignition coils and related components-rear bank

  10.  
  11. Remove the three ignition coils from the cylinder head.
  12.  
  13. Disconnect the three injector connectors, rocker arm oil control solenoid connector and the rocker arm oil pressure sensor connector from the rear cylinder head.
  14.  
  15. Remove the three bolts retaining the harness holder.
  16.  
  17. Remove the breather hose and the ground cable.
  18.  
  19. Remove the valve cover retaining bolts. Remove the valve cover from the engine. Discard the gasket.

    Click image to see an enlarged view

    Fig. Rear valve cover and related components-J35A9 engine



    Click image to see an enlarged view

    Fig. Rear valve cover and related components-J35Z1 engine

  20.  

To install:

  1. Check the spark plug seals for damage, replace defective seals as required.
  2.  
  3. Thoroughly clean the mating surfaces of the engine and valve cover.
  4.  
  5. Install the new gasket in the groove of the cover. Make sure that the gasket is seated securely.
  6.  
  7. Apply liquid gasket part number 08717-0004 or equivalent evenly to the rocker shaft holder mating areas.
    NOTE
    Install the component within five minutes of applying the liquid gasket. Some liquid gasket materials require installation within four minutes. Be sure to read and follow the manufacturer-s instruction. If too much time has passed before installing the component remove the liquid gasket and residue, then reapply new liquid gasket.



    Click image to see an enlarged view

    Fig. Rear valve cover sealant application points-J35A9 engine



    Click image to see an enlarged view

    Fig. Rear valve cover sealant application points-J35Z1 engine

  8.  
  9. Position the spark plug seals on the spark plug tubes.
  10.  
  11. Install the valve cover. Visually check the seals for damage. Inspect the cover washers, replace defective washers as required.
    NOTE
    Wait at least 30 minutes to allow the gasket to cure before filling the engine with oil.


    NOTE
    Do not run the engine for at least three hours after installing the valve cover.

  12.  
  13. Tighten the valve cover in three steps. In the final step tighten all bolts to 8.8 ft. lbs and in the proper sequence, see illustration.

    Click image to see an enlarged view

    Fig. Rear valve cover tightening sequence-J35A9 engine



    Click image to see an enlarged view

    Fig. Rear valve cover tightening sequence-J35Z1 engine

  14.  
  15. Continue the installation in the reverse order of the removal procedure.
    NOTE
    The power window reset procedure must be performed when disconnecting the battery, removing the No. 1 (20 amp) fuse in the passenger-s under dash fuse/relay box, disconnecting the 18P connector from the power window control unit, removing the window regulator, glass or glass run channel and disconnecting the driver-s door wire harness.

  16.  
  17. Turn the ignition switch OFF.
  18.  
  19. Turn the ignition switch ON (II).
  20.  
  21. Move the driver-s power window all the way down by holding the driver-s power window switch firmly down to the second detent. When the window reaches the bottom, hold the driver-s power window switch in the AUTO DOWN position for two seconds.
  22.  
  23. Move the driver-s power window all the way up without stopping by holding the driver-s power window switch firmly up to the second detent. When the window reaches the top, hold the driver-s power window switch in the AUTO UP position for two seconds.
    NOTE
    If the power window does not work in AUTO, repeat the procedure.

  24.  

 
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