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Disassembly and Assembly: Disassembly

WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the spark plug. Refer to "REMOVAL AND INSTALLATION ".
  2. Remove the valve lifter.
    • Identify the installation positions, and store them without mixing them up.
  3. Remove the valve collet using Tools.
    Fig 1: Removing/Installing Valve Collet
    G04146417Courtesy of NISSAN MOTOR CO., U.S.A.

    Tool number: KV10116200 (J-26336-A) 

    : KV10115900 (J-26336-20) 

    : KV10109220 ( - ) 

    CAUTION: When working, take care not to damage valve lifter holes.
  4. Remove the valve spring retainer, valve spring and valve spring seat.
  5. Inspect the valve guide clearance. Refer to "VALVE CLEARANCE ".
  6. Push the valve stem to the combustion chamber side, and remove the valve.
    • Identify the installation positions, and store them without mixing them up.
  7. Remove the valve oil seal using Tool.
    Fig 2: Removing Valve Oil Seal Using Tool
    G04184680Courtesy of NISSAN MOTOR CO., U.S.A.

    Tool number: KV10115600 (J-38958) 

  8. Replace the valve seat if necessary. Refer to "VALVE SEAT REPLACEMENT ".
  9. Replace the valve guide if necessary. Refer to "VALVE GUIDE REPLACEMENT ".
  10. Remove the spark plug tube, as necessary.
    • Remove the spark plug tube out of the cylinder head using suitable tool.
    CAUTION:
    • Do not damage the cylinder head.
    • Do not remove the spark plug tube unless absolutely necessary. Once removed, the spark plug tube will be deformed and cannot be reused.
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