Toyota RAV4 manuals

Toyota RAV4 Owners Manual: Tire information

Typical tire symbols

Full-size tire

Toyota RAV4. Full-size tire


Compact spare tire

Toyota RAV4. Compact spare tire


  1. Tire size
  2. Dot and tire identification number (tin)
  3. Location of treadwear indicators
  4. Tire ply composition and materials

Plies are layers of rubber-coated parallel cords. Cords are the strands which form the plies in a tire.

  1. Radial tires or bias-ply tires

A radial tire has “radial” on the sidewall. A tire not marked “radial” is a bias-ply tire.

  1. Tubeless or tube type

A tubeless tire does not have a tube and air is directly put into the tire.

A tube type tire has a tube inside the tire and the tube maintains the air pressure.

  1. Load limit at maximum cold tire inflation pressure
  2. Maximum cold tire inflation pressure

This means the pressure to which a tire may be inflated.

  1. Uniform tire quality grading

For details, see “uniform tire quality grading” that follows.

  1. Summer tires or all season tires

An all season tire has “m+s” on the sidewall. A tire not marked “m+s” is a summer tire.

  1. “Temporary use only”

A compact spare tire is identified by the phrase “temporary use only” molded on its sidewall. This tire is designed for temporary emergency use only.

Typical dot and tire identification number (tin)

  1. Dot symbol*
  2. Tire identification number (tin)
  3. Tire manufacturer’s identification mark
  4. Tire size code
  5. Manufacturer’s optional tire type code (3 or 4 letters)
  6. Manufacturing week
  7. Manufacturing year

*: The dot symbol certifies that the tire conforms to applicable federal motor vehicle safety standards.

Toyota RAV4. Typical dot and tire identification number (tin)


Tire size

Typical tire size information

The illustration indicates typical tire size.

  1. Tire use

P = passenger car, t = temporary use)

  1. Section width (millimeters)
  2. Aspect ratio (tire height to section width)
  3. Tire construction code (r = radial, d = diagonal)
  4. Wheel diameter (inches)
  5. Load index (2 digits or 3 digits)
  6. Speed symbol (alphabet with one letter)

Toyota RAV4. Typical tire size information


Tire dimensions

  1. Section width
  2. Tire height
  3. Wheel diameter

Toyota RAV4. Tire dimensions


Tire section names

  1. Bead
  2. Sidewall
  3. Shoulder
  4. Tread
  5. Belt
  6. Inner liner
  7. Reinforcing rubber
  8. Carcass
  9. Rim lines
  10. Bead wires
  11. Chafer

Toyota RAV4. Tire section names


Uniform tire quality grading

This information has been prepared in accordance with regulations issued by the national highway traffic safety administration of the u.S. Department of transportation.

It provides the purchasers and/or prospective purchasers of toyota vehicles with information on uniform tire quality grading.

Your toyota dealer will help answer any questions you may have as you read this information.

Dot quality grades

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 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 a 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. Performance may differ significantly from the norm due to variations in driving habits, service practices and differences in road characteristics and climate.

Traction aa, a, b, c

The traction grades, from highest to lowest, are aa, a, b and c, and they represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government test surfaces of asphalt and concrete.

A tire marked c may have poor traction performance.

Warning: the traction grade assigned to this tire is based on braking (straight ahead) traction tests and does not include cornering (turning) traction.

Temperature a, b, c

The temperature grades are a (the highest), b, and c, representing the tire’s resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel.

Sustained high temperature can cause the material of the tire to degenerate and reduce tire life, and excessive temperature can lead to sudden tire failure.

Grade c corresponds to a level of performance which all passenger car tires must meet under the federal motor vehicle safety standard no. 109.

Grades b and a represent higher levels of performance on the laboratory test wheel than the minimum required by law.

Warning: the temperature grades of a tire assume that it is properly inflated and not overloaded.

Excessive speed, underinflation, or excessive loading, either separately or in combination, can cause heat buildup and possible tire failure.

Glossary of tire terminology

Toyota RAV4. Glossary of tire terminology


Toyota RAV4. Glossary of tire terminology


Toyota RAV4. Glossary of tire terminology


Toyota RAV4. Glossary of tire terminology


Toyota RAV4. Glossary of tire terminology


*: Table 1 „o occupant loading and distribution for vehicle normal load for various designated seating capacities

Toyota RAV4. Glossary of tire terminology


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