4 wheel drive work
There are almost as many different types of four-wheel-drive systems as there are four-wheel-drive vehicles. It seems that every manufacturer has several different schemes for providing power to all of the wheels. The language used by the different carmakers can sometimes be a little confusing, so before we get started explaining how they work, let's clear up some terminology: Four-wheel drive - Usually, when carmakers say that a car has four-wheel drive , they are referring to a part-time system. For reasons we'll explore later in this article, these systems are meant only for use in low-traction conditions, such as off-road or on snow or ice. All-wheel drive - These systems are sometimes called full-time four-wheel drive . All-wheel-drive systems are designed to function on all types of surfaces, both on- and off-road, and most of them cannot be switched off. Part-time and full-time four-wheel-drive systems can be evaluated using the same c...
