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Disassembly and Assembly: Disassembly

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the valve lifter.
    • Confirm installation point.
  2. Remove the valve collet.
    • Compress valve spring with valve spring compressor. Remove valve collet with magnet driver.
      • Fig 1: Removing Valve Spring With Valve Spring Compressor
      G02110382Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Remove valve spring retainer and valve spring.
    CAUTION: Do not remove valve spring seat from valve spring.
  4. Push valve stem to combustion chamber side, and remove valve.
    • Inspect valve guide clearance before removal. Refer to VALVE GUIDE CLEARANCE  .
    • Confirm installation point.
  5. Remove valve oil seal with valve oil seal puller.
    6. Fig 2: Remove valve oil seal
    G02110383Courtesy of NISSAN MOTOR CO., U.S.A.
  6. When valve seat must be replaced, Refer to VALVE SEAT REPLACEMENT  .
  7. When valve guide must be replaced, refer to VALVE GUIDE REPLACEMENT  .
  8. Remove spark plug with spark plug wrench.
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