Impreza 2.5 RS Coupe AWD F4-2.5L SOHC (2001)
INSTALLATION
Install in the reverse order of removal.
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.
#2 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. Remove #2 spark plug cord by pulling boot, not cord itself