Disassembly and Assembly: Assembly

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

When valve guide is removed, install it. Refer to "VALVE GUIDE REPLACEMENT ".
When valve seat is removed, install it. Refer to "VALVE SEAT REPLACEMENT ".
Install new valve oil seals using Tool.
CAUTION: Do not reuse oil seals.

Tool number: - (J-39386)

Height "H" (Without valve spring seat installed)

Intake and exhaust: 14.3 - 14.9 mm (0.563 - 0.587 in)
Install new valve spring seat.
CAUTION: Do not reuse valve spring seats.

Fig 1: Identifying Valve Oil Seal Height
Courtesy of NISSAN MOTOR CO., U.S.A.
Install valves.
- Install them in there original position.
NOTE: Larger diameter valves are for intake side.
Install valve spring (uneven pitch type).
- Install narrow pitch end (paint mark) to cylinder head side (valve spring seat side).
- Intake side and exhaust side valve springs are different. Install them referring to the following paint mark collar.
  Paint mark collar Blue or Violet
Fig 2: Identifying Valve Spring Diameter
Courtesy of NISSAN MOTOR CO., U.S.A.
Install valve spring retainer.
Install valve collet.
CAUTION: When working, take care not to damage valve lifter holes.
- Compress valve spring and remove valve collet with magnet hand using Tool.
- Tap valve stem edge lightly with plastic hammer after installation to check its installed condition.
  Tool numbers
  
  : KV10109220 (-)
  
  : KV10116200 (J-26336-A)
  
  : KV10115900 (J-26336-20)
Fig 3: Compressing Valve Spring Using Tool Attachment
Courtesy of NISSAN MOTOR CO., U.S.A.
Install valve lifter.
- Install it in the original position.
Install spark plug tube.
- Press-fit spark plug tube as follows:
1. Remove old liquid gasket adhering to cylinder head mounting hole.
2. Apply sealant to area within approximately 12 mm (0.47 in) from edge of spark plug tube press-fit side. 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 in the figure using suitable drift.
  Standard press-fit height "H": 38.1 - 39.1 mm (1.500 -1.539 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.
  Fig 4: Identifying High Strength Locking Sealant Application Area
  Courtesy of NISSAN MOTOR CO., U.S.A.
Install spark plug.