11-47
2 Checking tread depth
Check the entire circumference of each tire to make
sure that the remaining tread is deep enough.
When the tread wears down, interruptions in the
groove pattern, or wear bars (see illustration)
appear across the tire at the locations correspond-
ing to the marks.
A. Tread pattern OK
B. Worn tread (down to wear bars)
Replace the tire as soon as the wear bars appear.
P. 11 - 4 8
NOTE:
Hydroplaning can occur when driving on wet roads
at high speeds. When a vehicle hydroplanes, tires
ride up on and slide over a film of water, causing the
driver to lose control of both steering and braking.
3 Checking for cracks, damage, and
objects embedded in tread
Check the tread surface and sidewalls of each tire
for cracks, damage, and excessive or unusual wear.
Check for metal pieces, nails, and stones embed-
ded in the tread or caught between the tires (on
dual-wheel axles).
Tread groove depth
limit
0.063 in (1.6 mm)
WARNING
To prevent an injury accident or loss of life,
replace worn tires as soon as possible. Worn
tires are more susceptible to punctures. They
are also more likely to skid and/or hydro-
plane.
AB
Z10804a
Z10805
AB
Z10804b
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