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Cylinder Head: Removal

WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. Release fuel pressure. Refer to FUEL SYSTEM PRESSURE RELEASE .
  2. Drain engine coolant and engine oil.
  3. Remove the following parts.
    • Battery
    • Engine undercover
    • Radiator shroud
    • Radiator: Refer to RADIATOR .
    • Cooling fan
    • Drive belts
  4. Remove exhaust front tubes. Refer to EXHAUST SYSTEM .
  5. Remove exhaust manifolds in reverse order of installation. Refer to EXHAUST MANIFOLD .
  6. Remove aluminum oil pan. Refer to REMOVAL .
  7. Remove front timing chain case, timing chain and rear timing chain case. Refer to REMOVAL .
  8. Remove intake manifold in reverse order of illustration.
  9. Remove water outlet.
    Fig 1: Removal Sequence Of Intake Manifold Bolts
    G02032243Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Remove intake valve timing control solenoid valves.
    Fig 2: Identifying Intake Valve Timing Control Solenoid Valves
    G02032244Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Remove intake and exhaust camshafts and camshaft brackets.
    • Equally loosen camshaft bracket bolts in several steps in the numerical order shown in the figure.

      For reinstallation, be sure to put marks on camshaft bracket before removal. 

  12. Remove valve lifters.
    • Identify installation positions, and store them without mixing them up.
      Fig 3: Identifying Loosening Sequence Of RH Exhaust And Intake Camshaft Brackets
      G02032245Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 4: Identifying Loosening Sequence Of LH Exhaust And Intake Camshaft Brackets
      G02032246Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Remove RH and LH camshaft chain tensioners from cylinder head.
    • Remove chain tensioner with its stopper pin attached.
    • Stopper pin was attached when secondary timing chain was removed.
      Fig 5: Identifying Chain Tensioner On Right And Left Bank For Removal
      G02032247Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Remove cylinder head bolts.
    • Cylinder head bolts should be loosened in two or three steps. 
    • A warped or cracked cylinder head could result from removing in incorrect order. 
      Fig 6: Identifying RH Cylinder Head Bolts Removal Sequence
      G02032248Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 7: Identifying LH Cylinder Head Bolts Removal Sequence
      G02032249Courtesy of NISSAN MOTOR CO., U.S.A.
  15. Remove cylinder head.
    Fig 8: Removing Cylinder Head
    G02032250Courtesy of NISSAN MOTOR CO., U.S.A.
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