Subaru 2002 IMPREZA Service Manual page 1157

4) Remove the two bolts which hold washer tank,
then take the tank away from working area.
5) Disconnect the connector from ignition coil.
6) Remove the ignition coil.
7) Remove the spark plugs with the spark plug
sockets.
SPARK PLUG
B: INSTALLATION
1. RH SIDE
1) Install in the reverse order of removal.
Tightening torque (Spark plug):
21 N·m (2.1 kgf-m, 15.2 ft-lb)
Tightening torque (Ignition coil):
16 N·m (1.6 kgf-m, 11.7 ft-lb)
CAUTION:
The above torque should be only applied to
new spark plugs without oil on their threads.
B2M2023
In case their threads are lubricated, the torque
should be reduced by approx. 1/3 of the speci-
fied torque in order to avoid over-stressing.
2. LH SIDE
1) Install in the reverse order of removal.
Tightening torque (Spark plug):
21 N·m (2.1 kgf-m, 15.2 ft-lb)
Tightening torque (Ignition coil):
16 N·m (1.6 kgf-m, 11.7 ft-lb)
CAUTION:
EN0857
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 approx. 1/3 of the speci-
fied torque in order to avoid over-stressing.
EN0858
EN0859
IG(TURBO)-5
IGNITION