Your vehicle's transmission is a critical component that allows the power generated in the engine through combustion to be delivered to the wheels in a controlled fashion. There are, in general, two main types of transmissions: manual and automatic. With a manual transmission, the driver must operate the clutch to shift the gears, while with an automatic transmission, gear shifting is performed by the vehicle.

The transmission is one part of a group of components that deliver power to the wheels known as the drivetrain. One important drivetrain part is the propeller shaft, also called the drive shaft. It plays the key role of transferring the torque from the transmission to the differential, which subsequently transfers torque to the wheels. The propeller shaft varies in function and form in cars with specific configurations like four-wheel drives and front-wheel drives, so be sure you get the correct type when buying a replacement transmission. Another important part is the flywheel in manual transmission vehicles that works in conjunction with the clutch. If you are experiencing slipped gears, or a chattering or vibrating clutch, you might be facing problems with your flywheel.

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