#4 Spark Plug

REMOVAL

CAUTION: All spark plugs installed on an engine, must be of the same heat range.

Spark plug:
CHAMPION: RC10YC4 (Alternate)
CHAMPION: RC8YC4
NGK: BKR6E-11
NIPPONDENSO: K20PR-U11




1. Disconnect battery ground cable.




2. Disconnect washer motor connector.
3. Disconnect rear window glass washer hose from washer motor, then plug connection with a suitable cap.




4. Remove the two bolts which hold the washer tank, then take the tank away from the working area.




5. Remove #4 spark plug cord by pulling boot, not cord itself.




6. Remove spark plug with the spark plug socket.

INSTALLATION
Install in the reverse order of removal.

Tightening torque (Spark plug): 20.6 N.m 2.10 kgf-m, 15.19 ft-lb)

CAUTION: The above torque should be only applied to new spark plugs without oil on their threads. In case their threads are lubricated, the torque should be reduced by approximately 1/3 of the specified torque in order to avoid over-stressing.