It is not recommended that the vehicle be operated in 4WD modes with
a“temporary ”(i.e. dissimilar size) spare. If 4WD operation is necessary,
do not operate above speeds of 16 km/h (10 mph) or for distances above
80 km (50 miles).
If you use the temporary spare tire continuously or do not follow
these precautions, the tire could fail, causing you to lose control
of the vehicle, possibly injuring yourself or others.
When driving with the temporary spare tire do not:
• Exceed 80 km/h (50 mph)
• Load the vehicle beyond maximum vehicle load rating listed on the
Safety Compliance Label
• Tow a trailer
• Use more than one temporary spare tire at a time
• Use snow chains on the end of the vehicle with the temporary spare
tire
Use of a temporary spare tire at any wheel location can lead to
impairment of the following:
• Handling, stability and braking performance
• Comfort and noise
• Ground clearance and parking at curbs
• Winter driving capability
• Wet weather driving capability
Conventional spare tire information
If you have the spare tire that is the same size as your other road tires,
you can use the spare as you would any of the other tires. The spare tire
will be equivalent to your road tires, although it may not have the same
appearance (black-side wall instead of outlined-white letters).
2004 Ranger (ran)
Owners Guide (post-2002-fmt)
USA English (fus)
Roadside Emergencies
145
INFORMATION ABOUT UNIFORM TIRE QUALITY GRADING
New vehicles are fitted with tires
that have a rating on them called
Tire Quality Grades. The 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
These Tire Quality Grades are determined by standards that the United
States Department of Transportation has set.
Tire Quality Grades apply to new pneumatic tires for use on passenger
cars. They do not apply to deep tread, winter-type snow tires,
space-saver or temporary use spare tires, tires with nominal rim
diameters of 10 to 12 inches or limited production tires as defined in
Title 49 Code of Federal Regulations Part 575.104(c)(2).
U.S. Department of Transportation-Tire quality grades: The U.S.
Department of Transportation requires Ford to give you the following
information about tire grades exactly as the government has written it.
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 may depart 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. The
grades 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.
2004 Ranger (ran)
Owners Guide (post-2002-fmt)
USA English (fus)
Maintenance and Specifications
212
