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How to Change Your Universal Fan Motor Like a Pro

Views: 0     Author: Site Editor     Publish Time: 2023-10-21      Origin: Site

Are you having trouble with your fan motor? Is it running slower than usual or making strange noises? If so, it might be time to replace it. Don't worry, changing your universal fan motor is not as difficult as it sounds. In this article, we will guide you through the process step-by-step and show you how to change your universal fan motor like a pro.

Understanding Your Fan Motor

Before we dive into the process of changing your fan motor, it's important to understand what it does and how it works. Your fan motor is responsible for circulating air throughout your home or building. It works by spinning a set of blades that push air through ducts and vents.

Signs That Your Fan Motor Needs to be Replaced

How do you know when it's time to replace your fan motor? Here are some signs to look out for:

  1. The motor is making loud or unusual noises.

  2. The motor is running slower than usual.

  3. The motor is not running at all.

  4. The blades are not spinning or are spinning unevenly.

  5. The motor is overheating.

If you notice any of these signs, it's time to replace your fan motor.

Gathering the Tools and Materials

Before you get started, you'll need to gather the necessary tools and materials. Here's what you'll need:

  • Screwdriver

  • Wrench

  • Replacement fan motor

  • Wire cutters

  • Wire connectors

  • Electrical tape

  • Voltmeter

How to Change Your Universal Fan Motor Like a Pro

Now that you have everything you need, it's time to get started. Here's how to change your universal fan motor like a pro:

Step 1: Turn Off the Power

Before you begin, you'll need to turn off the power to the motor. Locate the circuit breaker that controls the motor and turn it off. Double-check that the power is off by using a voltmeter to test the wires.

Step 2: Remove the Old Fan Motor

Next, you'll need to remove the old fan motor. Use a screwdriver and wrench to disconnect the motor from the mounting bracket and the blade assembly. Carefully remove the motor and set it aside.

Step 3: Prepare the New Fan Motor

Before you install the new fan motor, you'll need to prepare it. Remove any packaging or shipping materials and read the instructions carefully. Check the voltage and rotation direction to ensure that it matches your old motor.

Step 4: Install the New Fan Motor

Now it's time to install the new fan motor. Use the screwdriver and wrench to attach the new motor to the mounting bracket and the blade assembly. Be sure to tighten all the screws and bolts securely.

Step 5: Connect the Wires

Next, you'll need to connect the wires. Use wire cutters to strip the ends of the wires and wire connectors to attach them to the corresponding terminals on the new motor. Use electrical tape to secure the connectors and prevent them from touching other wires.

Step 6: Test the Motor

Finally, it's time to test the motor. Turn the power back on and use a voltmeter to check the voltage and amperage. If everything looks good, turn on the motor and listen for any unusual noises. If the motor is running smoothly, you're done!


Q1. Can I replace my fan motor myself?

Yes, you can replace your fan motor yourself if you have the right tools and materials. Just be sure to turn off the power and follow the instructions carefully.

Q2. How long does it take to replace a fan motor?

The time it takes to replace a fan motor depends on your skill level and the complexity of the job. On average, it can take anywhere from 1-2 hours.

Q3. How much does it cost to replace a fan motor?

The cost of replacing a fan motor can vary depending on the brand and model of the motor, as well as the complexity of the installation. On average, you can expect to pay anywhere from $100 to $300 for a replacement motor.

Q4. Can I use a different brand or model of fan motor?

It's best to use the same brand and model of fan motor as your original motor to ensure compatibility. However, if you can't find an exact match, you can use a universal fan motor that is designed to fit most applications.

Q5. What should I do if I'm not comfortable replacing my fan motor myself?

If you're not comfortable replacing your fan motor yourself, it's best to hire a professional to do the job for you. This will ensure that the job is done correctly and safely.

Q6. Can I prevent my fan motor from failing?

To prevent your fan motor from failing, it's important to keep it clean and well-maintained. Check it regularly for signs of wear and tear, and replace it as soon as you notice any issues.


Replacing your universal fan motor is not as difficult as it sounds. With the right tools and materials, you can do the job yourself and save money on professional installation. Just remember to turn off the power, follow the instructions carefully, and test the motor before you use it. If you're not comfortable doing the job yourself, don't hesitate to hire a professional to do it for you.

Now that you know how to change your universal fan motor like a pro, you can keep your home or building cool and comfortable all year round. Good luck!