A front-wheel car will have four CV joints, each covered by a boot. Related: More Maintenance Coverage CV joints are covered by rubber or plastic boots. Known as a CV boot or drive axle boot ...

The plastic arrows on the wheels of trucks and buses aren't as noticeable ... Lug nuts help fasten a vehicle's tires to their axles, which means they're just as vital as the more sophisticated ...

Wheel and axle mechanisms can be used in other ways ... Most are made from hard materials, such as metal, plastic or wood. This is so they can carry heavy loads and be used many times without ...