spark plugs INFINITI QX56 2007 Factory User Guide
Page 2380 of 3061
MA-18
< SERVICE INFORMATION >
ENGINE MAINTENANCE
Changing Spark Plugs
INFOID:0000000003533873
REMOVAL
1. Remove the ignition coil. Refer to EM-28, "Removal and Installation" .
2. Remove the spark plug using suitable tool.
INSPECTION AFTER REMOVAL
• Do not use a wire brush for cleaning.
• If the spark plug tip is covered with carbon, a spark plug cleaner may be used.
1. Ignition coil 2. Spark plug
WBIA0796E
SEM294A
SMA773C
Cleaner air pressure
: Less than 588 kPa (5.9 bar, 6 kg/cm2 , 85 psi)
Cleaning time : Less than 20 seconds