1. Problems usually show up as vibrations, abnormal tread wear patterns, steering wheel pull, abnormal noises, and other symptoms

2. Diagnosing Tire Problems Inspect the tires for problems Check both sidewalls and the tread area If necessary, road test the vehicle to verify the customer complaint Make sure the symptoms are not being caused by steering, suspension, or front wheel alignment problems

3. Inspecting the Tires Wiggle the tire to check for dry, rough, or loose wheel bearings

4. Tire Wear Patterns

5. Tire Impact Damage Typical damage found on used tires