Disassembly and Assembly: Disassembly

WARNING: This page is about a different variant/trim than selected.

Remove the valve lifter.
- Confirm installation point.
Remove the valve collet, valve spring retainer and valve spring using Tool.
Tool number : KV10116200 (J-26336-B)

: KV10115900 (J-26336-20)

CAUTION: Do not remove valve spring seat from valve spring.
Push valve stem to combustion chamber side, and remove valve.
- Inspect valve guide clearance before removal. Refer to "INSPECTION AFTER DISASSEMBLY ".
- Confirm installation point.
Remove valve oil seal using Tool.
Tool number : KV10107902 (J-38959)

Fig 1: Removing Valve Collet, Valve Spring Retainer And Valve Spring Using Tool
Courtesy of NISSAN MOTOR CO., U.S.A.
When valve seat must be replaced, refer to "INSPECTION AFTER DISASSEMBLY ".
When valve guide must be replaced, refer to "INSPECTION AFTER DISASSEMBLY ".
Remove spark plug using suitable tool.
Remove spark plug tubes, if necessary using suitable tool.
CAUTION:
- Be careful not to damage cylinder head.
- Do not remove spark plug tube if not necessary. Once removed, the spark plug tube cannot be reused because of deformation.
  
  Fig 2: Removing Valve Oil Seal Using Tool
  Courtesy of NISSAN MOTOR CO., U.S.A.