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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical - 3.5L) >> Cylinder Head >> Disassembly and Assembly >> Assembly

Disassembly and Assembly: Assembly

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  1. Install valve guide. Refer to VALVE GUIDE REPLACEMENT  .
  2. Install valve seat. Refer toVALVE SEAT REPLACEMENT  .
  3. Install new valve spring seats and new valve oil seals.
    • Install with valve oil seal drift to match dimension in illustration.
  4. Install the valves in their original position, as marked during disassembly.
    Fig 1: Installing Valve Oil Seal
    G02110704Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Install valve spring (uneven pitch type).
    • Install smaller pitch end (paint mark) to cylinder head side (valve spring seat side).
      • Fig 2: View Of Valve Spring Pitch
      G02110705Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Install valve spring retainer.
  7. Install valve collet.
    • Compress valve spring with valve spring compressor. Install valve collet with magnet hand.
    • Tap stem edge lightly with plastic hammer after installation to check its installed condition.
  8. Install valve lifter.
  9. Install spark plug tube as follows:
    1. Remove old liquid gasket from 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.
    3. Using a drift, press fit the spark plug tube so that it height "H" is as specified.
      1. 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.
  10. Install spark plug with spark plug wrench.
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