- Jeep Automobile User Manual
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Temporary spare tires are high-pressure compact
spares designed for temporary emergency use only.
Tires designed to this standard have the letter âTâ
molded into the sidewall preceding the size designa-
tion. Example: T145/80D18 103M.
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High flotation tire sizing is based on U.S. design
standards and it begins with the tire diameter molded
into the sidewall. Example: 31x10.5 R15 LT.
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