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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1001 (Engine Mechanical) >> On-Vehicle Repair >> Cylinder Head >> Disassembly and Assembly >> Disassembly

Disassembly and Assembly: Disassembly

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove spark plug.
  2. Remove valve lifter.
    • Identify installation positions, and store them without mixing them up.
  3. Remove valve collet.
    • Compress valve spring and remove valve collet with magnet hand using Tool.
      Fig 1: Compressing Valve Spring
      G04899762Courtesy of NISSAN MOTOR CO., U.S.A.
      CAUTION: When working, take care not to damage valve lifter holes.

      Tool numbers: KV10109220 (-) 

      : KV10116200 (J-26336-A) 

      : KV10115900 (J-26336-20) 

  4. Remove valve spring retainer, valve spring and valve spring seat.
  5. Push valve stem to combustion chamber side, and remove valve.
    • Identify installation positions, and store them without mixing them up.
  6. Remove valve oil seals using Tool.
    Fig 2: Removing Valve Oil Seal Using Tool
    G04894161Courtesy of NISSAN MOTOR CO., U.S.A.

    Tool number: KV10107902 (J-38959) 

  7. If valve seat must be replaced, refer to "INSPECTION AFTER DISASSEMBLY ".
  8. If valve guide must be replaced, refer to "INSPECTION AFTER DISASSEMBLY ".
  9. Remove spark plug tube, as necessary.
    • Using pair of pliers, pull spark plug tube out of cylinder head.
    CAUTION:
    • Take care not to damage cylinder head.
    • Once removed, spark plug tube will be deformed and cannot be reused. Do not remove it unless absolutely necessary.
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