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.
Have the spark plugs replaced according to the maintenance schedule in the“ Warranty and Maintenance Booklet”.
& Recommended spark plugs
For the recommended spark plugs, refer to“ Electrical system” F12-8.
Drive belts
NOTE
For models except STI, it is unnecessary to check the deflection of the drive belt periodically because this engine is equipped with an automatic belt tension adjuster. However, have the belt replaced according to the maintenance schedule in the“ Warranty and Maintenance Booklet”. Consult your SUBARU dealer for replacement.
If the drive belt is loose, cracked or worn, contact your SUBARU dealer.
Maintenance and service / Spark plugs
STI |
1) |
Power steering oil pump pulley |
2) |
Front side belt |
3) |
Alternator pulley |
4) |
Air conditioner compressor pulley |
5) |
Rear side belt |
6) |
Crank pulley |
A) |
22 lbf( 98 N, 10 kgf) |
CAUTION
11-21
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. Crank pulley Check the deflection of the front
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