Your vehicle has a transfer case if it has all-wheel or four-wheel drive. It is a component that helps power your wheels. It divides the engine power between all of the wheels. There are multiple steps involved in this. The power will go from the engine to the transmission. It will then go from the transmission to the wheels. The transfer case has to work along with the axles, wheels and driveshafts.
There are many things that can go wrong with your transfer case. It may be hard for you to shift gears. This problem may also be caused by a lack of lubrication. There may be an unusual grinding sound. This may be caused by fluid leaking from the transfer case.
Additionally, it may be harder for you drive in four-wheel drive. Your vehicle may shift in and out of four-wheel drive.