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Disassembly and Assembly: Assembly

WARNING: This page is about a different car, the 2004 Nissan Murano and 2003 Nissan Murano. 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.
    • Install with valve oil seal drift [SST] to match dimension in the figure.

      Height "H" (Without valve spring seat installed) Intake and exhaust: 14.3 -14.9 mm (0.563 - 0.587 in) 

      Fig 1: Installing Valve Oil Seals
      G00908556Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Install valve spring seat.
  5. Install valves.
    • 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).
      Fig 2: View Of Spring Narrow Pitch End (Paint Mark)
      G00908557Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Install valve spring retainer.
  8. Install valve collet.
    • Compress valve spring with valve spring compressor, attachment and adapter [SST]. Install valve collet with magnet hand.
      CAUTION: When working, take care not to damage valve lifter holes.
    • Tap valve stem edge lightly with plastic hammer after installation to check its installed condition.
  9. Install valve lifter.
  10. Install spark plug tube.
    • Press-fit spark plug tube as follows:
      1. Remove old liquid gasket adhering to cylinder head mounting hole.
      2. Apply liquid gasket to area within approximately 12 mm (0.47 in) from edge of spark plug tube press-fit side.

        Use Genuine RTV Silicone Sealant or equivalent. Refer to RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS .

      3. Using drift, press-fit spark plug tube so that its height "H" is as specified in the figure.
        Fig 3: View Of Dimension H
        G00908559Courtesy of NISSAN MOTOR CO., U.S.A.

        Standard press-fit height "H": 

        : 38.55 - 38.65 mm (1.5177 - 1.5217 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.
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