How To Clean An Alternator with Windings?

Most people don’t know how to clean an alternator, and as a result, they end up replacing it unnecessarily. An alternator is a vital component in your car’s electrical system, and it needs to be kept clean in order to function properly.

Alternator windings are the part of the alternator that transfers energy to the rotating field. The windings are made of copper or aluminum and are usually insulated with enamel. Over time, the windings can become corroded and damaged, which can lead to problems with the alternator.

To clean the windings, you will need to remove the alternator from the vehicle and disassemble it. Once you have access to the windings, you can use a wire brush to remove any corrosion. If the windings are severely damaged, you may need to replace them.

Here’s how to clean an alternator in three simple steps.

  • Park the vehicle on a level surface and set the emergency brake
  • Lift the hood and disconnect the negative battery cable
  • Remove the alternator belt
  • Use a brush and cleaning solution to clean the alternator housing and rotor
  • Rinse the alternator with clean water and dry with a clean cloth
  • Reinstall the alternator belt and reconnect the negative battery cable
  • Close the hood of the vehicle

How do you clean an alternator without removing it

If your alternator is starting to show signs of wear, you may be wondering how to clean it without removing it. The good news is that there are a few things you can do to clean your alternator without removing it. First, you’ll want to disconnect the battery.

This will help to prevent any electrical damage from occurring while you’re cleaning the alternator. Next, use a brush to clean any dirt or debris from the outside of the alternator. Be sure to pay special attention to the areas around the fan and the vent.

Once the outside is clean, you can move on to the inside of the alternator. Use a vacuum to remove any dust or debris from the interior. Be sure to vacuum the area around the brushes, as this is where most of the build-up will occur.

Finally, use a clean cloth to wipe down the interior of the alternator. This will remove any residual dirt or debris that the vacuum may have missed. Once you’ve finished cleaning the alternator, you can reconnect the battery and start your engine.

You should notice an improvement in the performance of your alternator right away.

Best way to clean the alternator

When it comes to keeping your car in tip-top shape, one important component you don’t want to neglect is the alternator. This part helps keep your battery charged and powers all the electrical systems in your vehicle while it’s running. Over time, dirt and grime can build up on the alternator, making it work less efficiently.

That’s why it’s important to clean your alternator on a regular basis. There are a few different ways you can clean your alternator. One option is to remove it from your car and clean it with a brush and some degreaser.

You can also clean it while it’s still in your car, but you’ll need to disconnect the battery first. Whichever method you choose, be sure to wear gloves and eye protection while you clean, and make sure the area around the alternator is well-ventilated. Once you’ve cleaned the alternator, it’s important to protect it from further build-up by regularly cleaning the area around it.

This includes the engine bay, battery, and any other areas where dirt and grime can accumulate. A little preventative maintenance goes a long way in keeping your car’s electrical system running smoothly.

Can cleaning an alternator make it work again

If your car’s alternator isn’t working properly, you might be able to clean it and get it working again. First, disconnect the battery so you don’t damage the alternator. Then, remove the alternator from the car and disassemble it.

Clean all the parts with a degreaser or alcohol, being careful not to damage any of the electrical components. Once everything is clean, reassemble the alternator and reinstall it in the car. Finally, connect the battery and start the car to see if the alternator is working properly.

If it isn’t, you’ll need to replace it.

How to clean alternator brushes

If your car’s engine is having trouble starting, or if the battery dies quickly, it might be time to clean the alternator brushes. Alternator brushes are responsible for transferring electricity from the spinning alternator to the car’s battery. Over time, these brushes can become worn down, making it difficult for them to do their job.

Cleaning alternator brushes is a fairly simple process, but it’s important to do it carefully so you don’t damage the brushes or the Alternator. First, disconnect the battery so there is no risk of electrical shock. Next, remove the alternator belt so you can access the brushes.

Using a small brush, gently clean the brushes themselves and the contact points where the brushes touch the Alternator. If the contact points are excessively worn, you may need to replace them. Once everything is clean, reassemble the Alternator and reconnect the battery.

If you notice your car’s engine is having trouble starting, or the battery dies quickly, it might be time to clean the alternator brushes. Alternator brushes are responsible for transferring electricity from the spinning alternator to the car’s battery. Over time, these brushes can become worn down, making it difficult for them to do their job.

Cleaning alternator brushes is a fairly simple process, but it’s important to do it carefully so you don’t damage the brushes or the Alternator.

How to clean alternator windings

If your car’s engine is running, the alternator is providing electricity to run accessories and recharge the battery. That means there’s electrical current flowing through the alternator’s windings. And over time, those windings can get coated with a layer of gunk.

That gunk can build up and eventually cause problems. It can cause the alternator to overheat, and it can prevent the alternator from charging the battery properly. So it’s a good idea to clean the alternator’s windings on a regular basis.

Here’s how to do it:

  • 1. Disconnect the negative terminal of your battery.
  • 2. Remove the alternator’s drive belt.
  • 3. Remove the alternator’s pulley.
  • 4. Unscrew the alternator’s housing.
  • 5. Clean the alternator’s windings with a brush.
  • 6. Reassemble the alternator.
  • 7. Reconnect the negative terminal of your battery.
  • 8. Start your car’s engine and check that the alternator is charging properly.


That’s all there is to it! Cleaning the alternator’s windings is a simple task that can help keep your alternator running smoothly.

How do you clean an alternator coil?

How do you clean an alternator coil? The best way to clean an alternator coil is to use a vacuum cleaner with the hose attachment. First, remove the alternator belt and disconnect the battery.

Next, use the vacuum cleaner to suck up any dirt, dust or debris from the surface of the coil. Be sure to vacuum both the inside and outside of the coil. Finally, use a damp cloth to wipe down the coil, being careful not to get the coil wet.

Can you fix an alternator by cleaning it?

If your car’s alternator is having trouble charging the battery, one possible solution is to clean it. But is this really effective? Alternators are made up of a series of interconnected parts, including the rotor, stator, diode rectifier, and voltage regulator.

Over time, these parts can become covered in grime and dirt, which can prevent them from working properly. Cleaning the alternator can help to remove this build-up and allow it to work more effectively. However, it’s important to note that this is not a permanent fix and the alternator will eventually need to be replaced.

If you’re experiencing issues with your car’s alternator, it’s best to take it to a mechanic for diagnosis and repair. They can determine if cleaning is necessary and, if so, will do it properly to ensure that your alternator is working properly.

Clean alternator with brake cleaner

If your alternator is starting to show signs of wear, you can clean it with brake cleaner to help prolong its life. First, disconnect the negative terminal of your battery to prevent sparking. Next, remove the alternator belt and brush the brake cleaner onto the alternator pulley and rotor.

Allow the cleaner to sit for a few minutes before wiping it off with a clean cloth. Finally, reattach the alternator belt and reconnect the negative terminal of your battery.

Can you clean an alternator with water?

If your alternator is dirty, you may be able to clean it with water. However, you should be aware that water can damage some of the components in your alternator, so it is important to be careful. In general, it is best to avoid using water to clean your alternator.

Can you clean an alternator to fix it?

If your alternator is not working correctly, you may be able to clean it to fix the problem. The alternator is responsible for providing power to the engine, so if it is not working properly, the engine will not run correctly. To clean the alternator, you will need to remove it from the engine and disassemble it.

Clean all of the parts with a degreaser and a brush. Be sure to dry all of the parts completely before reassembling the alternator. If you are not comfortable doing this yourself, you can take it to a mechanic to have it done.

Can I spray my alternator with water?

You may have seen people spraying their alternators with water as a way to cool them down. However, this is not a good idea and can actually damage your alternator. Water can cause corrosion and short circuits, which can lead to expensive repairs.

If your alternator is overheating, it’s best to take it to a mechanic to have it checked out.

Can you spray contact cleaner on alternator?

No, you should not spray contact cleaner on your alternator. Contact cleaner is designed to clean electrical contacts and connections, but it can actually damage the alternator’s windings and insulation. If you need to clean the alternator, use a soft brush and mild soap and water.

How do I clean the brushes on my alternator?

Assuming you have a standard automotive alternator, there are only a few parts that need cleaning on a regular basis. The most important part to clean is the connection between the battery and the alternator. This connection can get corroded over time and cause problems with the electrical system in your car.

To clean the connection, disconnect the negative battery cable from the terminal. Using a wire brush, clean the area around the terminal until the corrosion is gone. Be sure to clean the cable end as well.

Once the connection is clean, reconnect the cable and tighted the nut. The other part that may need cleaning is the alternator itself. If you notice the alternator is not charging the battery or the output is low, it may be time to clean the brushes.

To do this, you will need to remove the alternator from the car. Once the alternator is out, remove the brush holder caps and carefully remove the brushes. Inspect the brushes for wear and replace them if necessary.

Clean the slip rings on the alternator with a clean cloth. Be sure to not damage the surface. Reassemble the alternator and install it back in the car.

Once everything is reconnected, start the engine and check the output.

Can you use carb cleaner to clean alternator?

Yes, you can use carburetor cleaner to clean your alternator. Just be sure to disconnect the negative battery cable before starting and to wear gloves and eye protection. Spray the cleaner onto a clean rag and wipe down the alternator.

Let the cleaner dry completely before reconnecting the battery and starting the engine.

Owner at Autopartslife
Hello, I am Michael Smith, founder of Autopartslife blog, which teaches automotive techniques, solutions, tips, tool reviews, and more.

Michael Smith is a professional automotive technician who has been diagnosing and repairing vehicles in Alaska County for more than 15 years. As founder and CEO of Autopartslife, Michael is dedicated to sharing his vast array of knowledge and experience to help make your automotive journey a much smoother, faster, and more enjoyable ride.
Michael Smith
Latest posts by Michael Smith (see all)

Leave a Comment

Your email address will not be published.