Subaru Legacy 2003 Service Manual page 812

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2. Spark Plug

All spark plugs installed on an engine, must be

of the same heat range.

With catalytic converter

CHAMPION: RC10YC4

NGK: BKR5E-11 (Alternate)

Without catalytic converter

1) Disconnect battery ground cable.

2) Remove resonator chamber. <Ref. to IN(H4SO)-

8, REMOVAL, Resonator Chamber.>

3) Remove spark plug cords by pulling boot, not

cord itself.

4) Remove spark plugs with the spark plug socket.

1) Disconnect battery ground cable.

2) Disconnect washer motor connector.

3) Disconnect rear window glass washer hose from

washer motor, then plug connection with a suitable

4) Remove the two bolts which hold the washer

tank, then take the tank away from the working ar-

5) Remove spark plugs cord by pulling boot, not

cord itself.

IG(H4SOw/oOBD)-5

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