The Alternator Pulley on a Volkswagen is a very important component in the charging system, and if it has a problem, it can have some very serious consequences. Without a functioning Alternator Pulley, the vehicle’s battery won’t be able to charge while the engine is running. This means that the battery will eventually die, leaving the vehicle unable to start. Additionally, the Alternator Pulley is responsible for powering many electrical systems in the vehicle, such as the lights, radio, and air conditioning. If the Alternator Pulley is not working properly, these systems can fail, causing a potentially dangerous situation on the road. Lastly, if not fixed immediately, a broken Alternator Pulley can cause additional damage to other components in the charging system, leading to even bigger repair costs.