Glossary / Transmission

heat exchanger

8 Episode Mentions
Too Afraid to Ask

A heat exchanger is a small component that helps keep your car’s transmission from getting too hot by moving heat from the engine coolant to the transmission fluid. It’s like a tiny radiator inside the car.

Technical Definition

A heat exchanger is a device that transfers heat from one fluid to another without mixing them. In this context, it moves heat from the engine block’s coolant to the transmission fluid to keep the transmission cooler during operation.

The Car Curious Weekly

Podcast highlights and car talk, delivered every week.

Help Improve This Entry

Spot an error or have a better explanation? Let us know.

Sign in to suggest an edit