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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1044 (Engine Mechanical (VQ40DE)) >> Removal And Installation >> Camshaft >> Removal and Installation >> Removal

Removal and Installation: Removal

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. Release the fuel pressure (LH only). Refer to "FUEL PRESSURE CHECK ".
  2. Disconnect the battery negative terminal. Refer to "REMOVAL AND INSTALLATION ".
  3. Remove front wheels and tires. Refer to "ADJUSTMENT ".
  4. Remove front fender protectors. Refer to "REMOVAL AND INSTALLATION OF FRONT FENDER PROTECTOR ".
  5. Remove intake manifold collector. Refer to "REMOVAL AND INSTALLATION ".
  6. Remove rocker covers. Refer to "REMOVAL AND INSTALLATION ".
  7. Remove front timing chain case, camshaft sprockets, timing chains and rear timing chain case. Refer to "REMOVAL AND INSTALLATION " and "REMOVAL AND INSTALLATION ".
  8. Remove camshaft position sensor (PHASE) (right and left banks) from cylinder head back side.
    CAUTION:
    • Handle carefully to avoid dropping and shocks.
    • Do not disassemble.
    • Do not allow metal powder on magnetic part at sensor tip.
    • Do not place sensors in a location where they are exposed to magnetism.
      Fig 1: Caution For Placing Of Camshaft Position Sensor
      G04894125Courtesy of NISSAN NORTH AMERICA, INC.
  9. Remove intake valve timing control solenoid valves.
    • Discard intake valve timing control solenoid valve gaskets and use new gaskets for installation.
      Fig 2: Identifying IVT Control Valve Blank 1 And Solenoid Valves
      G04886081Courtesy of NISSAN NORTH AMERICA, INC.
  10. Remove camshaft brackets.
    • Mark camshafts, camshaft brackets and bolts so they are placed in the same position and direction for installation.
    • Equally loosen camshaft bracket bolts in several steps in reverse order as shown.
      Fig 3: Tightening Sequence Of Camshaft Bracket Bolts
      G04878368Courtesy of NISSAN NORTH AMERICA, INC.
  11. Remove camshafts.
  12. Remove valve lifters, if necessary.
    • Identify installation positions, and store them without mixing them up.
  13. Remove timing chain tensioner (secondary) from cylinder head.
    • Remove timing chain tensioner (secondary) with its stopper pin attached.
      NOTE: Stopper pin was attached when timing chain (secondary) was removed.
      Fig 4: Identifying Timing Chain Tensioner (secondary) And Stopper Pin On Cylinder Head (Right And Left Blank)
      G04894128Courtesy of NISSAN NORTH AMERICA, INC.
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