Spark Plug - Subaru IMPREZA 2004 Service Manual

2. Spark Plug

A: REMOVAL
CAUTION:
All spark plugs installed on an engine, must be
of the same heat range.
Spark plug
1.6 L CHAMPION: RC8YC4**
NGK: BKR6E-11** (Alternate)
2.0 L
CHAMPION: RC10YC4**
2.5 L
NGK: BKR5E-11** (Alternate)
*: Without catalytic converter
**: With catalytic converter
1. RH SIDE
1) Disconnect the ground cable from battery.
2) Remove the resonator chamber. <Ref. to
IN(H4SO)-7, REMOVAL, Resonator Chamber.>
3) Remove the spark plug cords by pulling the boot,
not cord itself.
Spark Plug
NGK: BKR6E*
NGK: BKR6E*
FU-00009
IG-00017
IG(H4SO)-5
4) Remove the spark plugs using spark plug sock-
ets.
2. LH SIDE
1) Disconnect the ground cable from battery.
2) Disconnect the washer motor connector.
3) Disconnect the rear window glass washer hose
from washer motor, then plug the connection with a
suitable cap.
4) Remove the two bolts which hold the washer
tank, then take the tank away from working area.
IGNITION
IG-00018
FU-00009
IG-00019
IG-00020