Subaru Legacy 2005 Service Manual page 1690

IGNITION
2. Spark Plug
A: REMOVAL
CAUTION:
All spark plugs installed on an engine must be
of the same heat range.
Spark plug:
NGK: ILFR6B
1. RH SIDE
1) Remove the collector cover.
2) Disconnect the ground cable from battery.
3) Remove the air cleaner case.
<Ref. to IN(H6DO)-5, REMOVAL, Air Cleaner
Case.>
4) Remove the bracket.
5) Disconnect the connector from ignition coil.
6) Remove the ignition coil.
NOTE:
Turn the #5 ignition coil to remove it.
(A)
(A) Bracket
(B) Connector
IN-00203
(B)
IG-02004
Spark Plug
7) Remove the spark plug with a spark plug socket.
(A) Ratchet handle
(B) Extension bar
(C) Universal joint
(D) Spark plug socket
2. LH SIDE
1) Remove the collector cover.
2) Remove the battery and battery carrier.
3) Remove the bracket.
4) Disconnect the connector from ignition coil.
5) Remove the ignition coil.
NOTE:
Turn the #6 ignition coil to remove it.
(A) Bracket
(B) Connector
IG(H6DO)-4
(B) (B) (C)
(A)
(A)
(B)
IG-02005
(D)
IG-02011
IG-02006