Subaru 2009 Impreza - Manual (Page 334)

cover and case with a damp cloth and
install a new air cleaner element.
6. To install the air cleaner case cover,
insert the three projections on the air
cleaner case cover into the slits on the
air cleaner case and then snap the two
clips on the air cleaner case cover.
Spark plugs
It may be difficult to replace the spark
plugs. It is recommended that you have
the spark plugs replaced by your
SUBARU dealer.
The spark plugs should be replaced
according to the maintenance schedule
in the
“Warranty and Maintenance Book-
let ”.
CAUTION
. When disconnecting the spark
plug cables, always grasp the
spark plug cap, not the cables.
. Make sure the cables are re-
placed in the correct order.
& Recommended spark plugs
Non-turbo models:
FR5AP-11 (NGK)
Turbo models:
SILFR6A (NGK)
Maintenance and service
11-19