Your engine's drive belts basically "drive" accessories that are either bolted to or hung via brackets to your engine. What accessories am I referring to? Concerning that steering pump I mentioned aforementioned? Drive belts also turn that little electric generator called an alternator. They also "give life" towards your air http://dirstop.com/story6503124/air-conditioning-not-cold-why-air-is-not-good-for-car-s-ac