Your engine's drive belts basically "drive" accessories that are either bolted to or hung via brackets to your search engine. What accessories am I referring to? How about that steering pump I mentioned about? Drive belts also turn that little electric generator called an alternator. They also "give life" air http://socialrus.com/story5838861/a-lennox-heat-pump-can-add-value-and-luxury-to-your-home