In the video, a person is seen working on a car's engine. The person is using a wrench to loosen the bolt on the engine. After loosening the bolt, the person removes the part and replaces it with a new one. The person then tightens the bolt back into place. The video provides a clear view of the engine and the person's hands as they work. The person appears to be experienced in working on engines, as they handle the tools with ease and precision. The video is shot in a well-lit area, making it easy to see the details of the engine and the person's actions.