Spark Plugs; Recommended Spark Plugs - Subaru 2010 Impreza Owner's Manual

6. If the air cleaner case has been
removed, insert the three projections on
the air cleaner case into the slits on the air
cleaner case cover.
7. Install in the reverse order of removal.

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.
Maintenance and service
& Recommended spark plugs
Non-turbo models:
FR5AP-11 (NGK)
Turbo models:
SILFR6A (NGK)
11-19