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Rust
or
dirt on a wheel,
or
on
-
the parts to which it is fastened,
can make wheel
nuts
become
loose
after a time. The wheel could come
off
and cause
an
accident. When
you change a wheel, remove any
rust
or
dirt from places where the
wheel attaches
to
the vehicle. In an
emergency, you can use a cloth or
a
paper towel to do this; but be sure to
use a scraper or wire brush later, if
you need to,
to
get all the rust
or
dirt
off. (See "Changing a Flat Tire" in
When It's Time for New Tires
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 new tire if:
You
can see the indicators at three
places around the tire.
through the tire's rubber.
or snagged deep enough to show cord
or fabric.
You can see cord or fabric showing
The tread or sidewall is cracked, cut
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.
Buying New Tires
To find out what kind and size of tires you
need, look at the Tire-Loading
Information label.
The tires installed on your vehicle when it
was new had a Tire Performance Criteria
Specification (TPC Spec) number on each
tire's sidewall. When you get new tires,
get ones with that same TPC Spec
number. That way, your vehicle will
continue to have tires that are designed to
give proper endurance, handling, speed
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