Outback F6-3.0L (2003)
Tightening torque (Ignition coil): 16 N.m (1.6 kgf-m, 12 ft-lb)
LH SIDE
Install in the reverse order of removal.
Tightening torque (Spark plug): 21 N.m (2.1 kgf-m, 15 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.
Tightening torque (Ignition coil): 16 N.m (1.6 kgf-m, 12 ft-lb)