Subaru WRX & WRX STI Manuals 2012 Impreza WRX & WRX STI Owner's Manual | Page 337

Maintenance and service

Drive belts

1)
2)
3)
4)
5)
6)
A)

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.

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)

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
. Crank pulley

A

Used belt

0.28 – 0.35
(7.0 – 9.0)

11-15

Manual transmission oil
& Checking the oil level

Except STI

Check the oil level monthly.
1. Park the vehicle on a level surface and
stop the engine.
2. Pull out the level gauge, wipe it clean,
and insert it again.

0.35 – 0.43
(9.0 – 11.0)

The rear side belt is a stretch-type belt,
t