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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1666 (Engine Mechanical) >> Cylinder Head >> Disassembly and Assembly >> Assembly
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Disassembly and Assembly: Assembly

WARNING: This page is about a different car, the 2006 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. When valve guide is removed, install it. refer to , "VALVE GUIDE REPLACEMENT ".
  2. When valve seat is removed, install it. refer to , "VALVE SEAT REPLACEMENT ".
  3. Install valve oil seals using Tool.

    Tool number: - (J-39386) 

    Height "H" (Without valve spring seat installed) 

    Intake and exhaust: 14.3 - 14.9 mm (0.563 - 0.587 in) 

    Fig 1: Installing Valve Stem Oil Seal
    G04132288Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Install valve spring seat.
  5. Install valves.
    • Install it in the original position.
      NOTE: Larger diameter valves are for intake side.
  6. Install valve spring (uneven pitch type).
    • Install narrow pitch end (paint mark) to cylinder head side (valve spring seat side).
    • Intake side and exhaust side valve springs are different. Install them referring to the following paint mark collar.

      Paint mark collar 

      Intake: White 

      Exhaust: White 

      Fig 2: Identifying Pint Mark On Valve Spring
      G04172823Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Install valve spring retainer.
  8. Install valve collet.
    • Compress valve spring using Tool, attachment and adapter using Tool. Install valve collet with magnet hand.

      Tool numbers: KV10109220 (-) 

      : KV10116200 (J-26336-A) 

      : KV10115900 (J-26336-20) 

      Fig 3: Removing/Installing Valve Collet
      G04146417Courtesy of NISSAN MOTOR CO., U.S.A.
      CAUTION: When working, take care not to damage valve lifter holes or valve stems.
    • Tap valve stem edge lightly with plastic hammer after installation to check its installed condition.
  9. Install valve lifter.
    • Install it in the original position.
  10. Install spark plug tube.
    • Press-fit spark plug tube as follows:
    1. Remove old liquid gasket from cylinder head mounting hole.
    2. Apply sealant to area within approximately 12 mm (0.47 in) from edge of spark plug tube press-fit side.

      Use Genuine High Strength Locking Sealant or equivalent.  Refer to "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".

    3. Press-fit spark plug tube so that its height "H" is as specified in the figure using suitable drift.

      Standard press-fit height "H" 

      : 38.1 - 39.1 mm (1.500 - 1.539 in) 

      CAUTION:
      • When press-fitting, take care not to deform spark plug tube.
      • After press-fitting, wipe off liquid gasket protruding onto cylinder-head upper face.
  11. Install spark plug.
    Fig 4: Identifying Height H
    G04172825Courtesy of NISSAN MOTOR CO., U.S.A.
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