Disassembly and Assembly: Assembly

Oil seal installed height (A) : 12.1 mm (0.476 in) 

Tool number : KV10115600 (J-38958) 

Fig 1: Installing New Valve Oil Seal

Courtesy of NISSAN MOTOR CO., U.S.A.

• Install larger diameter to intake side.

• A: Identification color
• B: Cylinder head
• <==: To cylinder head
• Install smaller pitch spring end (valve spring seat side) to cylinder head side.
• Confirm the identification color of the valve spring.

  Intake spring identification color (CVT models) : Pink 

  Exhaust spring identification color (CVT models) : Green 

  Fig 2: Installing Smaller Pitch Spring End (Valve Spring Seat Side) To Cylinder Head

  Courtesy of NISSAN MOTOR CO., U.S.A.

  Intake spring identification color (M/T models) : Blue 

  Exhaust spring identification color (M/T models) : Yellow 

Tool numbers : KV10116200 (J-26336-B) 

: KV10115900 (J-26336-20) 

• Install valve collet with a magnet hand.
  CAUTION: When working, be careful not to damage valve lifter holes.
• Tap valve stem edge lightly with a plastic hammer after installation to check its installed condition.
  Fig 3: Installing Valve Collet With Magnet Hand

  Courtesy of NISSAN MOTOR CO., U.S.A.

1. Remove old sealant from cylinder head side installation hole.
2. Apply sealant all round on spark plug tube within approximately 12 mm (0.47 in) width from edge of spark plug tube on the press-fit side.

   Use Genuine High Strength Locking Sealant or equivalent.  Refer to "RECOMMENDED CHEMICAL PRODUCT AND SEALANT "

3. Press-fit the spark plug tube to specified height "H" as shown in the figure, using suitable tool.

   Standard press-fit height "H" : 41.2 - 42.2 mm (1.622 - 1.661 in) 

   Fig 4: Cross-Sectional View Of Valve Lifter

   Courtesy of NISSAN MOTOR CO., U.S.A.
   CAUTION:

   • When press-fitting, be careful not to deform spark plug tube.
   • After press-fitting, wipe off any protruding sealant on top surface of cylinder head.