SPARK PLUG

1.Remove engine cover with power tool. Refer to Exploded View.

2.Remove intake manifold collector. Refer to Exploded View.
■ CAUTION ■
Mark the parts with paint in advance of the reinstallation to prevent misalignment between the intake manifold collector and intake manifold.

3.Remove ignition coil.

4.Remove spark plug with a spark plug wrench (commercial service tool).




a	: 14 mm (0.55 in)



■ CAUTION ■
Never drop or shock spark plug.

Installation is the reverse order of removal.

Use the standard type spark plug for normal condition.

Spark plug (Standard type)

: Refer to Spark Plug (GT-R certified NISSAN dealer).

■ CAUTION ■

• Never drop or shock spark plug.
  
  
  
• Never use a wire brush for cleaning.
  
• If plug tip is covered with carbon, spark plug cleaner may be used.
  
  

  Cleaner air pressure:
  	Less than 588 kPa (6 kg/cm2, 85 psi)
  Cleaning time:
  	Less than 20 seconds

  
  
  
• Checking and adjusting plug gap is not required between change intervals.