The vehicle Drivetrain is located underneath the vehicle, typically running from the engine at the front of the vehicle to the wheels at the back of the vehicle.

A vehicle Drivetrain component may need to be replaced if it becomes damaged or worn over time, which can cause a variety of symptoms such as difficulty shifting gears, unusual noises, or poor acceleration. However, replacing a Drivetrain component can be a major repair that is not typically necessary unless there is significant damage.

The vehicle Drivetrain works by transmitting power from the engine to the wheels, typically through a transmission, driveshaft, differential, and axles. The transmission allows the driver to change gears and control the amount of power delivered to the wheels, while the differential allows the wheels to turn at different speeds. The driveshaft and axles transmit power from the differential to the wheels, which is what propels the vehicle forward. Overall, the Drivetrain plays a critical role in the operation of the vehicle and is essential for smooth and efficient driving.