See also:

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 ...

Tire Chains
Tire chains may be installed on all models except the Sahara and Rubicon. Install chains on rear tires only. Follow these recommendations to guard against damage and excessive tire and chain wear ...

Required Maintenance Intervals
Refer to the Maintenance Schedules on the following pages for the required maintenance intervals. WARNING! • You can be badly injured working on or around a motor vehicl ...