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Disassembly and Assembly: Assembly

WARNING: This page is about a different car, the 2018 Nissan Maxima. 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 Inspection After Disassembly .
  2. When valve seat is removed, install it. Refer to Inspection After Disassembly .
  3. Install valve oil seals using suitable tool (A).
    G08686159Courtesy of NISSAN NORTH AMERICA, INC.

    Height (H) (Without valve spring seat installed)

    Intake and exhaust

    : 14.3 - 14.9 mm (0.563 - 0.587 in)
  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.
    GNSAWBIA2758Z-758Courtesy of NISSAN NORTH AMERICA, INC.
    • Install the valve spring so that the identification color facing upward (A).
    • Install smaller pitch to cylinder head side (B).
    • Confirm the identification color of the valve spring.
    • Intake and exhaust springs are the same.
  7. Install valve spring retainer.
    • Install a suitable tool (A) in the center of the valve spring retainer (1) to install.
    GNSJPBIA4477Z-477Courtesy of NISSAN NORTH AMERICA, INC.
  8. Install valve collet.
    GNSAWBIA1760Z-760Courtesy of NISSAN NORTH AMERICA, INC.
    • Compress valve spring using suitable tool (A), attachment and adapter. Install valve collet with magnet hand.
      CAUTION: When working, take care not to damage valve lifter bore.
    • 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 (A) within approximately 12 mm (0.47 in) from edge of spark plug tube press-fit side.
      GNSAWBIA2404Z-404Courtesy of NISSAN NORTH AMERICA, INC.

      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. Refer to Removal and Installation .
      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. Refer to Exploded View .
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