Uniform Tire Quality Grading - Volvo S60 2007 Owner's Manual

2007 Volvo S60
1
Consult this manual
your vehicle.
1. See "Towing a trailer" on
pg. 154 Wheels and tires
Vehicle loading
WARNING!
Exceeding the permissible axle weight, gross vehicle weight, or any other weight rating limits can
cause tire overheating resulting in permanent deformation or catastrophic failure.
Do not use replacement tires with lower load carrying capacities than the tires that were original
equipment on the vehicle because this will lower the vehicle's GVW rating. Replacement tires with a
higher limit than the originals do not increase the vehicle's GVW rating limitations.
pg. 155 Wheels and tires

Uniform Tire Quality Grading

ALL PASSENGER VEHICLE TIRES MUST CONFORM TO FEDERAL SAFETY
REQUIREMENTS IN ADDITION TO THESE GRADES
Quality grades can be found, where applicable, on the tire sidewall between the tread shoulder
and maximum section width. For example:
Treadwear 200 Traction AA Temperature A
TREADWEAR
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under
controlled conditions on a specified government test course. For example, a tire graded 150 would wear
one and one half (1 1/2) times as well on the government course as a tire graded 100. The relative
performance of tires depends upon the actual conditions of their use, however, and many depart
significantly from the norm due to variation in driving habits, maintenance practices and differences in
road characteristics and climate.
TRACTION
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to determine how this reduces the available cargo and luggage load capacity of
page 131.