Subaru Legacy BN/BS (2015-2019) Owners Manual: Traction AA, A, B, C

Subaru Legacy BN/BS (2015-2019) Owners Manual / Consumer information and Reporting safety defects / Uniform tire quality grading standards / Traction AA, A, B, C

The traction grades, from highest to lowest, are AA, A, B and C. Those 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.

WARNING The traction grade assigned to this tire is based on straightahead braking traction tests, and does not include acceleration, cornering, hydroplaning, or peak traction characteristics.

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 wou ...

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 s ...

Other materials:

Installation
1. Install the front differential assembly to the converter case.NOTE:Be careful not to damage the inside of the case (especially the mating surface of the differential side retainers).2. Temporarily install the differential side retainers using ST.ST 18658AA020WRENCH COMPL RETAINER3. Adjust the ...