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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical - 3.5L) >> Cylinder Head >> Removal and Installation >> Removal

Removal and Installation: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Remove the timing chains. Refer to REMOVAL  .
  2. Remove the fuel rail and injectors. Refer to REMOVAL AND INSTALLATION  .
  3. Remove the intake manifold using power tool.
    • Loosen the bolts in the numerical order as shown.
      • Fig 1: View Of Intake Manifold Loosening Sequence
      G02110663Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Remove the coolant outlet housing.
  5. Remove rear timing chain case bolts using power tool.
    • Loosen the bolts in the numerical order as shown.
    Fig 2: Rear Timing Chain Case Bolt Loosening Sequence
    G02110664Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Remove rear timing chain case using the Tool.
    Fig 3: Removing Rear Timing Chain Case Using The Tool
    G02110665Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Remove the O-rings from the front of the cylinder heads.
    • Discard the O-rings and use new O-rings for installation.
    Fig 4: View Of O-Rings (1 Of 2)
    G02110666Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Remove the O-rings from the cylinder block.
    • Discard the O-rings and use new O-rings for installation.
    Fig 5: View Of O-Rings (2 Of 2)
    G02110667Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Remove the IVTC (Intake Valve Timing Control) valves.
    • Discard the IVTC valve gaskets and use new gaskets for installation.
  10. Remove the intake and exhaust camshafts and the camshaft brackets.
    • Mark the camshaft brackets so they are placed in the same position and direction for installation.
    • Equally loosen the camshaft bracket bolts in several steps in the numerical order shown.
    Fig 6: View Of Camshaft Bracket Torque Sequence (1 Of 2)
    G02110669Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 7: View Of Camshaft Bracket Torque Sequence (2 Of 2)
    G02110670Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Remove the RH and LH cylinder head bolts, with power tool.
    • The bolts should be loosened gradually in three stages.
    • Loosen the bolts in the numerical order as shown.
    Fig 8: View Of RH Cylinder Head Bolt Loosening Sequence
    G02110674Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 9: View Of LH Cylinder Head Bolt Loosening Sequence
    G02110675Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Remove cylinder heads and gaskets.
    • Discard the cylinder head gaskets and use new gaskets for installation.
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