Kia Sorento 2003-05

Cylinder Head

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Removal & Installation



  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Relieve the fuel system pressure.
  6.  
  7. Disconnect the negative battery cable.
  8.  
  9. Disconnect the upper radiator hose.
  10.  
  11. Remove the breather hose and air-intake hose.
  12.  
  13. Remove the vacuum hose, fuel hose and coolant hose.
  14.  
  15. Remove the intake manifold.
  16.  
  17. Remove the cables from the spark plugs. The cables should be removed holding the boot portion.
  18.  
  19. Remove the ignition coil.
  20.  
  21. Remove the upper and lower timing belt cover.
  22.  
  23. Remove the timing belt and camshaft sprockets.
  24.  
  25. Remove the heat protector and exhaust manifold assembly.
  26.  
  27. Remove the coolant pump pulley and head cover.
  28.  
  29. Remove the intake and exhaust camshaft.
  30.  


NOTE
Keep all valvetrain components in order for assembly.

  1. Remove the cylinder head assembly. The cylinder head bolts should be removed using the 12 mm socket, in two or three steps. Clean the gasket pieces from the cylinder block top surface and cylinder bottom surface.
  2.  


    Click image to see an enlarged view

    Fig. Cylinder head and rocker arm exploded view



    Click image to see an enlarged view

    Fig. Cylinder head bolt torque sequence


To install:

  1. Install the cylinder heads with new gaskets. Tighten the bolts in sequence to 75-82 ft. lbs. (105-115 Nm).
  2.  
  3. Installation is the reverse of the removal procedure.
  4.  

  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. Disconnect the negative battery cable.
  8.  
  9. Disconnect the upper radiator hose.
  10.  
  11. Remove the breather hose and air-intake hose.
  12.  
  13. Remove the vacuum hose, fuel hose and coolant hose.
  14.  
  15. Remove the intake manifold.
  16.  
  17. Remove the cables from the spark plugs.  The cables should be removed holding the boot portion.
  18.  
  19. Remove the ignition coil.
  20.  
  21. Remove the upper and lower timing belt cover.
  22.  
  23. Remove the timing belt and camshaft sprockets.
  24.  
  25. Remove the heat protector and exhaust manifold assembly.
  26.  
  27. Remove the coolant pump pulley and head cover.
  28.  
  29. Remove the intake and exhaust camshaft.
    NOTE
    Keep all valve train components in order for assembly.

  30.  
  31. Remove the cylinder head assembly. The cylinder head bolts should be removed using the 12 mm socket, in two or three steps. Clean the gasket pieces from the cylinder block top surface and cylinder bottom surface.

    Click image to see an enlarged view

    Fig. Cylinder head and related components



    Click image to see an enlarged view

    Fig. Cylinder head bolt torque sequence

  32.  

To install:

  1. Verify the identification marks on the cylinder head gasket. Install the gasket so that the surface of the cylinder head identification mark faces toward the cylinder head.
  2.  
  3. Install the cylinder heads with new gaskets. Do not apply sealant to these surfaces.
  4.  
  5. Tighten the bolts in sequence to 75-82 ft. lbs. (105-115 Nm).
  6.  
  7. Installation is the reverse of the removal procedure.
  8.  

 
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