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11-22 Maintenance and service
! Turbo models
1. Unsnap the two clamps holding the air
cleaner case cover.
2. Open the air cleaner case cover and
remove the air cleaner element.
3. Clean the inside of the air cleaner
cover and case with a damp cloth and
install a new air cleaner element.
4. Snap the two clamps 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”.
& Recommended spark plugs
2.5 L non-turbo models:
SIFR6A11 (NGK)
2.5 L turbo models:
SILFR6B8 (NGK)
3.6 L models:
SILFR6C11 (NGK)