Automotive tire tread depth that measures less than about _____ is considered worn and requires tire replacement based on safety guidelines.

True or False? Underinflation causes the center area of the tire’s tread to expand outward and wear before the outer corners.

Tire sidewalls can bulge outward and form an air bubble in the sidewall due to _____.

A vehicle’s weight pressing down on _____ produces noticeable humming or growling sounds.

True or False? The purpose of performing a tire rotation on a vehicle is to help even out tire tread wear and extend tire service life.

The phrase pack the bearings means to _____ the wheel bearings.

Overtorquing lug nuts can cause wheel or hub distortion, vibration, and excessive _____.

Technician A says tire impact damage cannot occur when the vehicle is traveling at highway speeds. Technician B says often even minor tire damage, cuts, air bubbles, and tread wear patterns require tire replacement to ensure safe driving characteristics. Who is right?

Technician A says torquing lug nuts correctly means tightening them in a crisscross pattern. Technician B says overtorquing lug nuts is beneficial and recommended on vehicles equipped with aluminum wheels and lightweight hubs. Who is right?