It is the component that connects the transmission to the front and rear axles, allowing for four-wheel drive. The transfer case is typically made of cast iron or aluminum and has a variety of gears inside that provide different gear ratios for different driving conditions.
In a 1998 S10 Blazer, the transfer case is located behind the transmission and is connected to it by a driveshaft. The transfer case then connects to the front and rear axles by two more driveshafts.
To access the transfer case, you will need to remove the skid plate that protects it from the elements. Once the skid plate is removed, you will be able to see the transfer case. It is a large, cylindrical-shaped component with several bolts and nuts holding it in place.
