Spark Plugs - Subaru IMPREZA 2002 Service Manual

SPARK PLUGS
I
PERIODIC MAINTENANCE SERVICES
5. Spark Plugs
A: REPLACEMENT
1) Remove the intake duct and intake chamber.
2) Remove the washer tank and put it aside.
3) Disconnect the spark plug cord.
4) Remove the spark plug with a plug-wrench.
5) Set the new spark plug.
c-
Recommended
-
spark plug :
CHAMPION RClOYC4 (Standard)
Spark plug gap
1.0
-
1.1 mm (0.039
-
0.043 in)
NGK PFRGG
Spark plug gap
0.7- 0.8 mm (0.028
-
0.03 1 in)
Non-Turbo model
NGK BKRSE-11
NGK BKRGE-11
Turbo model
6) Tighten the spark plug lightly with hand, and then
secure with a plug-wrench to the specified torque.
Tightening torque:
NOTE:
Be sure to place the gasket between the cylinder
head and spark plug.
If the torque wrench is not available, tighten
spark plug until gasket contacts cylinder head; then
tighten further 1/4 to 1/2 turns.
20.6 N.m (2.10 kgf-m, 15.19 ft-lb)
PM-8