What is a transfer case and how does it work?

If you have a car, truck or sport-utility vehicle that has a four-wheel-drive function, then your vehicle has a transfer case. We here at Fox Grand Traverse Lincoln want you to know what a transfer case is, how it works and why it's important.
All vehicles, even those with four-wheel drive, only use either the front or rear wheels for normal driving. For those with four-wheel drive, some of the energy needs to be transferred from either the front or back wheels to the other two wheels so all four can move at once. That's where the transfer…