Toyota GR Corolla Manual page 369

Tire related term
Sidewall separation
Snow tire
Test rim
Tread
Tread rib
Tread separation
Treadwear indicators (TWI)
Wheel-holding fixture
*
: Table 1 -Occupant loading and distribution for vehicle normal load for var-
ious designated seating capacities
Designated seating
capacity, Number of
occupants
2 through 4
5 through 10
8-1. Specifications
The parting of the rubber compound from
the cord material in the sidewall
A tire that attains a traction index equal to
or greater than 110, compared to the
ASTM E-1136 Standard Reference Test
Tire, when using the snow traction test as
described in ASTM F-1805-00, Standard
Test Method for Single Wheel Driving Trac-
tion in a Straight Line on Snow-and
Ice-Covered Surfaces, and which is
marked with an Alpine Symbol (
least one sidewall
The rim on which a tire is fitted for testing,
and may be any rim listed as appropriate
for use with that tire
That portion of a tire that comes into con-
tact with the road
A tread section running circumferentially
around a tire
Pulling away of the tread from the tire car-
cass
The projections within the principal
grooves designed to give a visual indica-
tion of the degrees of wear of the tread
The fixture used to hold the wheel and tire
assembly securely during testing
Vehicle normal load,
Number of occupants
2
3
Meaning
) on at
Occupant distribution in
a normally loaded vehi-
cle
2 in front
2 in front, 1 in second
seat
369
8