Maintenance and service
Spark plugs
Drive belts
It may be difficult to replace the spark
plugs. It is recommended that you have
the spark plugs replaced by your
SUBARU dealer.
& Turbo models
The spark plugs should be replaced
according to the maintenance schedule
in the “Warranty and Maintenance Booklet”.
CAUTION
. When disconnecting the spark
plug cables, always grasp the
spark plug cap, not the cables.
. Make sure the cables are replaced in the correct order.
& Recommended spark plugs
NOTE
For the recommended spark plugs,
refer to “Electrical system” F12-3.
1)
2)
3)
4)
5)
6)
A)
Power steering oil pump pulley
Front side belt
Alternator pulley
Air conditioner compressor pulley
Rear side belt
Crank pulley
22 lbf (98 N, 10 kgf)
. Crank pulley
Check the deflection of the front
side belt and if there is any looseness, cracks, wear or unusual noise
on the front side belt, contact your
SUBARU dealer.
Continuing to use the vehicle with
the belt outside of the specification
may cause the engine to malfunction and the above components to
malfunction.
To check the deflection of the front side
belt, place a straightedge (ruler) across
two adjacent pulleys (alternator pulley and
crank pulley) and apply a force of 22 lbf
(98 N, 10 kgf) midway between the pulleys
by using a spring scale. The belt deflection should be the amount specified. If the
front side belt is loose, cracked or worn,
contact your SUBARU dealer.
in (mm)
Deflection
New belt
CAUTION
The front side belt, which runs in
conjunction with the following components, must be used within the
specified deflection.
. Power steering oil pump pulley
. Alternator pulley
11-19
A
Used belt
0.28 – 0.35
(7.0 – 9.0)
0.35 – 0.43
(9.0 – 11.0)
The rear side belt is a stretch-type belt,
therefore the deflection does not need to
be checked. If there are cracks or wear
confirmed on the belts and a squeaking
sound is heard from them, contact your
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