Drive Belts - Subaru 2001 Legacy Owner's Manual

Drive belts

The alternator, power steering pump, and air conditioner compressor de-
pend on drive belts. Satisfactory performance requires that belt tension
be correct.
B 2.5 liter models
1
2
To check belt tension, place a straightedge (ruler) across two adja-
cent pulleys and apply a force of 22 lb (98 N, 10 kg) midway between
the pulleys by using a spring scale. Belt deflection should be the
amount specified.
B 3.0 liter models
It is unnecessary to check belt tension periodically because your
engine is equipped with an automatic belt tension adjuster. However,
replacement of the belt should be done according to the maintenance
11-22
HGA005BB
New belt
0.28 — 0.35
(7.0 — 9.0)
0.30 — 0.33
(7.5 — 8.5)
Deflection
Used belt
0.35 — 0.43
(9.0 — 11.0)
0.35 — 0.40
(9.0 — 10.0)
in (mm)