4. ASE Test A4, Section D - Wheel and
Tire Diagnosis and Service Practice
Questions and Answers
What will cause feathered tire wear? - Answer✔️✔️-Improper toe
adjustment.
What causes wear on the inner or outer side of the tire tread face? -
Answer✔️✔️-Improper camber adjustment.
What causes cupped tread wear? - Answer✔️✔️-Improper wheel
balance.
What type of wear does under inflation cause? - Answer✔️✔️-Tire
wear on both shoulders.
Whats a good procedure to identify a tire that was built incorrectly
with the tread slightly off center? - Answer✔️✔️-Swapping the rites
front to rear is a good way of identifying a tire that was built
incorrectly.
What should you do if you find a tire with tread slightly off center? -
Answer✔️✔️-The tire should be replaced, but sometimes will function
in the rear.
Why do tires wear excessively? - Answer✔️✔️-Because the tire tread
is not contacting the road surface properly.
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