The second-largest component you’ll find under a car’s hood is the transmission. Usually attached to the back part of the engine, it sits under everything else, so you may not be able to see it easily. The transmission shifts the gears of the car, regardless if you have a manual or automatic vehicle. It is also the component that lets the car stay ...

Located front and center of the car is the radiator. It helps prevent the engine from overheating by allowing coolant to flow through it. The heat then moves to the radiator, which blows the hot air across the liquid to cool it down. A small hose connects the radiator with an overflow container. When the coolant is pressurized, it means the radiato...

Also known as fan belts, drive belts serve as the driving mechanism for the different car components under the hood. If it snaps, the driver may experience a sudden loss of the power assist of the steering system, making the vehicle much more difficult to turn. This can also cause a halt in coolant circulation, which may lead to overheating.