FixVault
Home › Nissan-Datsun › 2004 › Sentra SE-R › Repair and Diagnosis › External Pages › Different car › Section 201 (Engine Mechanical) › Cylinder Head › Disassembly And Assembly › Assembly

Disassembly And Assembly: Assembly

WARNING: This page is about a different car, the 2004 Infiniti M45 and 2003 Infiniti M45. 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 CLEARANCE .
  2. When valve seat is removed, install it. Refer to VALVE SEAT REPLACEMENT .
  3. Install valve oil seal.
    • Install with the valve oil seal drift (SST) to match dimension in illustration.
      Fig 1: Installing Valve Oil Seal Drift To Specified Dimensions
      G00796953Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Install valve.
    • Install larger diameter to intake side.
  5. Install valve spring (with valve spring seat).
    • Install smaller pitch (valve spring seat side) to cylinder head side.
    Fig 2: Preparing Valve Spring For Installation
    G00796954Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Install valve spring retainer.
  7. Install valve collet.
    • Compress valve spring with the valve spring compressor, attachment and adapter (SST). Install valve collet with magnetic hand.
      Fig 3: Compressing Valve Spring With Valve Spring Compressor
      G00796955Courtesy of NISSAN MOTOR CO., U.S.A.
      CAUTION: When working, take care not to damage valve lifter holes.
    • Tap stem edge lightly with plastic hammer after installation to check its installed condition.
  8. Install valve lifter and adjusting shim.
  9. Install spark plug tube.
    • Press-fit spark plug tube following procedure below.
    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.
    3. Using a drift, press-fit spark plug tube so that its height "H" is as specified in the figure.

      Standard press-fit height "H" : 

      : 38.4 - 39.4 mm (1.512 - 1.551 in) 

      Fig 4: Applying Liquid Gasket 12mm From Edge Of Spark Plug Tube
      G00796956Courtesy of NISSAN MOTOR CO., U.S.A.
      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 the spark plug wrench (commercial service tool).
About FixVault