А Drive belt is a rubber belt which connects the crank shaft and the cam shaft of any automobile with an internal combustion engine. You can pretty easily find it under the hood of his car. You will see a rubber belt with teeth that connects not only the crank shaft and the cam shaft but several additional components also.А Drive belt is a rubber belt which connects the crank shaft and the cam shaft of any automobile with an internal combustion engine. You can pretty easily find it under the hood of his car. You will see a rubber belt with teeth that connects not only the crank shaft and the cam shaft but several additional components also.