About Alternator Replacement
What does the alternator do? The alternator is what charges your vehicle's battery. When electricity is drawn from battery to power components of the vehicle, the battery loses power. The alternator replenishes the power lost when the vehicle is running. The alternator is powered by a belt, more commonly known as the serpentine belt. How do you know you need your alternator replaced? Battery light is on Vehicle won't start Vehicle starts when boosted but shuts off when the power source is removed from the battery How is the alternator replaced by a mobile mechanic? The alternator, battery and charging system are tested to insure alternator is faulty Battery power is disconnected. The serpentine belt is removed by releasing the belt tensioner. The alternator is removed from engine bay by removing all bolts and electrical connections. (Alternator is located in various possible locations, top of the engine, bottom, back or side depending on the vehicle) New and old alternator are compared New alternator is installed. Serpentine belt is reinstalled. Battery is connected and charging system is tested. How important is having your alternator replaced? The alternator charges your battery, without it your vehicle won't run. It's recommended that if the serpentine belt hasn't been replaced in 2-3 years, it's recommended to have this replaced as it has to be removed to replace the alternator.