Honda Pilot - 2003-2005

Valve Lash

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Adjustment



Adjust the valves only when the cylinder head temperature is less than 100°F (38°C).

  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Air intake tube
     
    Intake manifold
     
    Valve cover
     

  4.  
  5. Rotate the crankshaft so that the valves to be adjusted are closed and the rocker arm is contacting the camshaft lobe base circle.
  6.  
  7. Measure the valve clearance. If adjustment is necessary, loosen the locknut and turn the adjusting screw as necessary to achieve the correct valve clearance.
  8.  
  9. The correct valve clearance is:

    Intake valves: 0.008-0.009 inches (0.20-0.24mm)
     
    Exhaust valves: 0.011-0.013 inches (0.28-0.32mm)
     

  10.  
  11. After adjustment, tighten the locknuts to 14 ft. lbs. (20 Nm).
  12.  
  13. Install or connect the following:

    Valve cover
     
    Intake manifold
     
    Air intake tube
     
    Negative battery cable
     

  14.  
  15. Start the engine and check for proper operation.

    Click image to see an enlarged view

    Fig. Inspect the valve clearance, adjust to specification and tighten the retainer to specification



    Click image to see an enlarged view

    Fig. Valve adjusting retainer locations

  16.  

 
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