Chevrolet SUBURBAN 1994 Manual page 310

When
/ t
's Time for New Tires
- L
E
TREAD WEAR
INDICATORS
One way to tell when
it's time for new tires
is to check the
treadwear indicators,
which will appear
when your tires have
only 2/32 inch
(1.6
mm)
or less of
tread remaining.
You need a uew tire if
0
You can see the indicators at three or more places around the tire.
You can see cord or fabric showing through the tire's rubber.
The tread or sidewall is cracked, cut or snagged deep enough to show
cord or fabric.
0
The tire has a bump, bulge or split.
The tire has
a
puncture, cut, or other damage that can't be repaired well
because
of
the size or location of the damage.
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