Common Causes of Heated Alternator

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Common Causes of Heated Alternator

Common Causes of Heated Alternator

The alternator is a simple component that contains only a few parts, but it plays a vital role in the operation of any gasoline-powered vehicle. The alternator gets the energy from the crankshaft and turns it into the electricity that is stored in the battery of your vehicle It is the key component in running the electrical systems in your car.

When your alternator begins to fail it can cause several electrical problems in your car, and eventually cause a breakdown. An Alternators can go bad suddenly, or slowly over time. All Sydney Tow Truck offers a professional, reliable and economical vehicle check and maintenance service at Epping and surrounding areas.  The causes of a Failing Alternator are below.


Alternators and batteries do not last forever, and each has their lifespans. A car battery can last from 2 to 5 years, depending on how often you drive and the climate conditions where you live. Batteries generally last longer in colder environments and shorter in hotter environments.

Alternators will on average last about 7 years or every 80,000 miles but there are always exceptions. A poorly manufactured alternator can cause frequent heating and would eventually disable your vehicle. For all kind of road assistance service call at All Time, Sydney Towing and the team of our experts will be on its way to help you. 


The belt and pulley produce the mechanical power which in result gets converted into electrical energy by the alternator. The serpentine belt of your vehicle can easily break if it gets stretched out too much, causing it to snap apart. Another reason is that pulley can also get damaged after a while.  In either case, the alternator will no longer be able to work properly or gets heat up. 


There are uncountable wiring components in a vehicle that help to produce power for the alternator. All it would take is for one wire to be disconnected or misconnected for power to stop being generated that can also result in heating of the alternator.


Many people are driving cars that are manufactured within the span last 20 years. These newer cars all have a central computer system or engine control unit (ECU) which is responsible for managing and operates the vehicle’s components and parts. This computer manages the alternator as well. Therefore, a minor computer error would also cause a malfunctioning alternator.