Swimmers like Michael Phelps shave off all their body hair when they go to compete. They don't want the extra drag. In the same way, a belt-driven Jetta cooling fan is a drag on your engine. The way to solve this problem and give yourself more power is with one of the Volkswagen Jetta electric cooling fans featured here at AutoAnything. Take a little time to install a Volkswagen Jetta electric cooling fan next weekend and you'll feel the difference immediately. Also, Volkswagen Jetta electric cooling fans do more than boost horsepower. They improve water pump life, AC performance and fuel efficiency, among other benefits.