Toyota COROLLA iM 2017 Service Manual page 347

Tire related term
Section width
Sidewall
Sidewall separation
Snow tire
Test rim
Tread
Tread rib
Tread separation
Treadwear
(TWI)
Wheel-holding fixture
* : Table 1 ⎯ Occupant loading and distribution for vehicle normal load for
various designated seating capacities
COROLLA iM_U (OM12K64U)
The linear distance between the exteriors of
the sidewalls of an inflated tire, excluding ele-
vations due to labeling, decoration, or protec-
tive bands
That portion of a tire between the tread and
bead
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 Traction in a Straight
Line on Snow-and Ice-Covered Surfaces, and
which is marked with an Alpine Symbol (
on at 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 contact
with the road
A tread section running circumferentially
around a tire
Pulling away of the tread from the tire carcass
The projections within the principal grooves
indicators
designed to give a visual indication of the
degrees of wear of the tread
The fixture used to hold the wheel and tire
assembly securely during testing
8-1. Specifications
Meaning
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