Spark Plug Removal/Installation

CAUTION:

If a spark plug that is not as specified is installed, engine performance will be deteriorated. Install only the specified spark plug when replacing.

Disconnect the negative battery cable. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the seal cover. (See SEAL COVER REMOVAL/INSTALLATION .)
Remove the front suspension tower bar (joint). (With front suspension tower bar) (See FRONT SUSPENSION TOWER BAR REMOVAL/INSTALLATION .)
Remove the ignition coils/ion sensors. (See IGNITION COIL/ION SENSOR REMOVAL/INSTALLATION .)
Remove the spark plugs using a plug-wrench.
Install in the reverse order of removal.
Tightening torque

15-20 N.m {1.6-2.0 kgf.m, 12-14 ft.lbf}