converter

The torque converter is located between the engine and transmission on most vehicles with an automatic transmission. It is responsible for connecting the engine to the transmission. Here's a video on how it works: The torque converter sits in the bell housing in front of the transmission...

I chopped open the catalytic converter on my Corolla to see whats inside and how it works. Here's a video: The catalytic converter is located between the manifold and resonator in the exhaust system. Its purpose is to convert toxic gasses from the exhaust stream into less harmful gases...