Uniform tire quality grading
DOT (Department of Transportation) Quality
Grades: All passenger car 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 ...
A/T Fluid cooler
Cleaning
Whenever the A/T is repaired, overhauled, or replaced, the A/T fluid cooler
mounted in the radiator must be
inspected and cleaned.
Metal debris and friction material, if present, can become trapped in the A/T
fluid cooler. This debris can contaminate
the newly serviced A/T or, i ...