Subaru Impreza 2003 Service Manual page 2174

WHEEL AND TIRE SYSTEM
2. Tire
A: INSPECTION
1) Take stone, glass, nail etc. off from tread groove.
2) Replace the tire if as follows.
CAUTION:
When replacing a tire, make sure to use only
the same size, construction and load range tire
as originally installed.
(1) When a large crack on the side wall, dam-
age or a crack on tread are found.
(2) When the "tread wear indicator" appears as
a solid band across the tread.
(1) Tread wear indicator
(2) Tire tread
3) When a crack on tire valve is found, replace the
tire valve.
1. TIRE ROTATION
Rotate tires periodically (10,000 km/6,200 miles) as
shown in the figure, in order to prevent them from
uneven wear and to prolong their life.
TIRE
WT-00002
WT-00003
WT-4