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Replacing a Lennox AC Fan Motor: A Step-by-Step Guide

Replacing a Lennox AC Fan Motor: A Step-by-Step Guide

Replacing a Lennox AC Fan Motor: A Step-by-Step Guide

When it comes to the job of replacing a Lennox AC fan motor, hiring professional help can feel like a necessary step. Thankfully, there’s no need to despair. Upgrading your fan motor can be an achievable task – and one that doesn’t require you to take full responsibility for the process.

In this article, we’ll break down the steps you need to take to replace your Lennox AC fan motor. We’ll also address the precautionary steps you should take to ensure the process is done safely – and with the greatest efficiency.

Gathering Necessary Materials

Before beginning the process of replacing your fan motor, the first step is to gather the necessary materials. Depending on the nature of the job, you may need tools and toolsets that you don’t own. It might be wise to check whether you need to purchase or rent any tools before embarking on the replacement procedure.

If necessary, make a list of the materials you require and contact the local parts store or hardware store to get the necessary parts. Some of the materials you’ll need to acquire include:

  • Fan motor
  • Screwdriver
  • Wrench
  • Electrical tape
  • Voltage detector

Safety First

As with any electrical work – especially those involving gas – it is critically important to prioritize safety throughout the entire replacement process. Prior to getting started, ensure that your system is completely disconnected or shut off from any power source.

From there, you’ll want to use a voltage detector to ensure thew system is definitely shut off. If you cannot confirm that the power has been cut, don’t attempt the work. Instead, call someone who is qualified and licensed to work with electrical systems in a safe manner. The same advice can be applied if you don’t feel confident working with electrical systems at any point. It’s always better to stay safe than to risk your well-being.

Replacing the Fan Motor

In this section, we’ll cover the actual steps necessary for replacing the fan motor. You can follow many of the same steps if you are installing a new motor.

  1. Remove the front panel or access panel from the air conditioner system. This is often done with a screwdriver.
  2. Unscrew the fan guard from the motor. You can do this with a wrench.
  3. Disconnect the fan wiring from the fan motor. Use caution and use electrical tape to ensure the wiring is not exposed and dangerous.
  4. Place the fan guard and the motor in the refrigerator. This will prevent any further damage to the motor.
  5. If necessary, remove any debris that is behind the fan. This debris can prevent air from flowing in and out of the air.
  6. Install the new fan motor, using the provided hardware and wiring. Connect the fan as necessary.
  7. Screw the fan guard back into the motor and then replace the front panel of the air conditioner system.
  8. Turn the power back on and test the system.


Replacing your Lennox AC fan motor is a surprisingly achievable task – even if you have limited knowledge of working with electrical systems. If you are hesitant to attempt the job yourself, we recommend calling in local, reliable appliance repair specialists from Local Reliable Appliance Repair. They’ll be able to provide you with all the help you need to ensure that your fan motor is replaced safely and efficiently.

Replacing a Lennox AC Fan Motor: A Step-by-Step Guide
Replacing a Lennox AC Fan Motor: A Step-by-Step Guide
Replacing a Lennox AC Fan Motor: A Step-by-Step Guide

Tips for Successfully Replacing a Lennox AC Fan Motor

As a homeowner, it’s important to take certain measures to protect your air conditioning system. One particular area to be mindful of is the fan motor, as a proper installation is the key to the unit’s efficient operation. To that end, manufacturer recommendations, local appliance companies, and HVAC technicians provide guidance on preventive action for all Lennox AC fans and motors.

Review Manufacturer Manuals

The first step should always be to review the manufacturer’s manual for your specific AC system. This document outlines all the necessary steps for replacing and installing the fan motor in a safe and effective manner. It should also outline the proper tools and parts required for the job.

Hire a Professional

When working on an air conditioner, the services of a qualified HVAC technician are strongly recommended. These licensed professionals can provide additional insight and troubleshooting tips to help ensure a successful installation. Additionally, they will have access to manufacturer parts and can replace the motor quickly and efficiently.

Use the Right Tools & Parts

For a successful installation, the right tools and parts must be used. Ensure that any replacement motor is a genuine COMFORTMAKER® or Lennox® part. If working with a different AC brand, always double check that their replacement parts are compatible with your system.

Test the Motor Prior to Installation

Once the replacement motor arrives, it should be tested to ensure that it is functioning properly. Testing the motor prior to installation will help limit the potential for any damage to the AC unit by preventing mistakes from being made.

Follow Safety Protocols

Safety should always be the primary concern when working on an air conditioner. Make sure to unplug the unit before starting any repair work, and wear appropriate safety gear such as protective eyewear and gloves. Additionally, HVAC technicians should be familiar with any applicable local building codes prior to beginning the job.

Consider Local Appliance Companies

Local appliance companies can be good sources of guidance and assistance when replacing a Lennox AC fan motor. In addition to providing access to manufacturer parts, they can also offer helpful advice and tips on making the repair process as smooth as possible.

By taking the time to review manufacturer manuals, hiring a professional, using the right tools and parts, testing the motor prior to installation, and considering local appliance companies, homeowners can protect their AC system and avoid costly problems. It’s also important to remember to always follow safety protocols when working on AC units.

For more information or assistance with Lennox AC fan motor repair and replacement, homeowners should contact Local Reliable Air Conditioning & Heating at (866) 311-8590. With their years of experience and extensive knowledge of HVAC systems, they can ensure a successful installation.

Average Cost of Replacing a Lennox AC Fan Motor

Replacing a Lennox AC fan motor can be a complicated process. It is important to find a reliable and skilled professional for the job. With the current 20% price increase in the city of California for repair and installation services, the minimum cost for the job is estimated to be around $500. If a more complex repair or installation is necessary, the cost can go up to $1,500 or more.

The itemized list of parts necessary will vary based on the type and model of the AC unit, but they usually include:
– A new fan motor
– Thermostat
– Wiring and mounting hardware
– Copper tubing

Replacing a fan motor often requires the expertise of a professional. The cost of the fan motor alone is about $275, with other materials for the repair costing about $200. In addition, there is the cost of labor, which varies depending on the complexity of the repair. If the replacement process is more complex and requires additional pieces to be changed, the cost could be much higher.

To get the best professional advice, we recommend you call Local Reliable Air Conditioning & Heating at 866-311-8590. This is a reliable service that can provide you with an accurate estimate and the highest quality of work.

Lennox AC Fan Motor Replacement: Let Reliable Air Conditioning & Heating Take Care of it

Does your cooling unit need an AC fan motor replacement? Let Reliable Air Conditioning & Heating take care of it. As a local California vendor company, Reliable offers same-day service for appliance and HVAC repair and installations.

Reliable Air Conditioning & Heating is a family-owned business that has been in the industry for over 10 years. Our highly trained technicians have a minimum of 5 years experience on the field. We are licensed and insured and offer a 90-day warranty on all our repairs.

We are experts in AC fan motor replacements for all Lennox AC models. We provide fast and reliable service, with no hidden costs or unfair pricing. All our prices are fair and affordable, ensuring that you get the best value for your money.

At Reliable Air Conditioning & Heating, we value your time and money. That’s why we offer same-day service for all Lennox AC fan motor replacements. We guarantee your unit’s cooling capabilities will improve immediately, giving you peace of mind and satisfaction.

Don’t waste your time and money with out-of-state vendors. Get quality and reliable service with Reliable Air Conditioning & Heating. Contact us today so we can get started with your AC fan motor replacement!

FAQ: Replacing a Lennox AC Fan Motor

What Does Replacing a Lennox AC Fan Motor Entail?

Replacing a Lennox AC fan motor involves uninstalling the existing motor, choosing an appropriate replacement, and wiring it to the voltage and frequency specified on the unit.

Do I Have to Uninstall the Old Motor Before Installing a New One?

Yes, it is essential that the old motor be removed before the new one is installed. Removing the old motor will also allow for easier access to the wiring for the new motor.

What Do I Need to Know Before Purchasing a Replacement Motor?

Before purchasing a replacement motor, it is important to identify the voltage, motor speed, and motor shape required for the application. Additionally, ensure the replacement motor has the same frame size and shaft diameter as the existing motor.

How Do I Wire the Replacement Motor?

The new motor should be wired according to the steps indicated in the Lennox AC fan motor replacement guide. Generally, the wiring should follow the diagram printed on the motor.

Can I Install the Fan Motor Myself?

Yes, it is possible to install the fan motor yourself. However, it is best to consult a professional before beginning the installation to ensure it is done correctly.

I’m Having Difficulty Installing the Fan Motor. What Should I Do?

If you are having difficulty installing the fan motor, it is best to call a local, reliable appliance repair service, such as Local Reliable Appliance Repair.

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