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Maintenance and service 11 - 17
3. Clean the inside of the air cleaner cov-
er and case with a damp cloth and install
a new air cleaner element.
4. To install the air cleaner case cover, in-
sert the two projections on the air cleaner
case cover into the slits on the air cleaner
case and then 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 ac-
cording to the maintenance schedule in
the “Warranty and Maintenance Booklet”. „
Recommended spark plugs
Non-turbo models:
FR5AP-11 (NGK)
Turbo models:
ILFR6B (NGK)
B00026
y When disconnecting the spark
plug cables, always grasp the
spark plug cap, not the cables.
y Make sure the cables are replaced
in the correct order.
B00027
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11 - 1 8 Maintenance and service
Drive belts1) Power steering pump pulley
2) Air conditioner compressor pulley
3) Crank pulley
The alternator, power steering pump, and
air conditioner compressor depend on
drive belts. Satisfactory performance re-
quires that belt tension be correct.
To check belt tension, place a straight-
edge (ruler) across two adjacent pulleys
and apply a force of 22 lbs (98 N, 10 kg)
midway between the pulleys by using a
spring scale. Belt deflection should be the
amount specified. If a belt is loose,
cracked, or worn, contact your SUBARU
dealer. in (mm)Manual transmission oil „
Checking the oil level
Non-turbo models:
1) Yellow handle
A
B
2
3
1
B00365
Deflection
New belt Used belt
A 0.28 – 0.35
(7.0 – 9.0) 0.35 – 0.43
(9.0 – 11.0)
B 0.30 – 0.33
(7.5 – 8.5) 0.35 – 0.40
(9.0 – 10.0)
1
B00366
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Maintenance and service 11 - 19
Turbo models
Check the oil level monthly.
1. Park the vehicle on a level surface and
stop the engine.
2. Pull out the dipstick, wipe it clean, and
insert it again. 1) Upper level
2) Lower level
3. Pull out the dipstick again and check
the oil level on it. If it is below the lower
level, add oil through the dipstick hole to
bring the level up to the upper level.
„ Recommended grade and
viscosity
Each oil manufacturer has its own base
oils and additives. Never use different
brands together.
Oil grade:
API classification GL-5
SAE viscosity No. and applicable tem-
perature
B00367 Be careful not to spill manual trans-
mission oil when adding it. If oil
touches the exhaust pipe, it may
cause a bad smell, smoke, and/or a
fire. If oil gets on the exhaust pipe,
be sure to wipe it off.
LF
F
L1
2 1
2
B00368
-30 -20 -10 0 10 20 30 40-20 0 60 20
80W 75W/90 80 100
40
85W 90
B00032
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