Your furnace’s blower motor is a crucial component, so you’ll want to ensure that it’s operating at peak efficiency. Replacement of a faulty furnace blower motor will restore system functionality and maintain home comfort. Contact Bluco Mechanical at (929) 447-2077 for furnace repair services near me or visit our website to learn more about the HVAC Blower Motor Replacement Process.

HVAC Blower Motor Replacement Process

A Bluco HVAC professional will charge several hundred dollars to replace the blower motor in your furnace. You can now save a substantial amount of money by doing it yourself. This step-by-step instruction will assist you with the process of the furnace blower motor.

Repairing the Furnace Blower Motor

A malfunctioning blower motor prevents warm air from circulating. If the blower motor is noisy, the blower wheel’s set screw may be loose. Tighten or replace the screw, or replace the blower wheel.


A dirty furnace can cause the blower motor to overheat. Cleaning the furnace may fix the problem. The motor’s bearings may be destroyed if it makes noise. Older furnace blower motors can be greased to reduce noise, but newer ones can’t. Replace the furnace blower motor.


If the blower motor never starts, check the motor. The motor is probably fried. If you replace the furnace blower motor without addressing the issues, you’ll still have problems.

Motor Replacement For The Furnace Blower

The Importance of replacing a furnace blower motor is selecting the proper replacement. Here are some things to watch for:


  • Type of force (direct or belt)
  • Diameter of the motor in inches
  • Voltage
  • Horsepower
  • Speed in rpm
  • Amount of available speeds
  • Orientation of rotation (it is best to get a reversible one)
  • Mounting technique (typically a belly band)
  • Needed run capacitor size

Tools Required:

  • Hub puller
  • Screwdrivers
  • Socket spanners


This step-by-step explanation explains how to correctly and economically replace the furnace blower motor.


  • Turn off the blower motor’s electrical power supply.
  • Remove the panel concealing the furnace’s blower motor.
  • Locate and remove the screws/bolts that secure the motor housing to the frame.
  • Detach motor wires from the unit’s main body.
  • Retractable motor housing.
  • Loosen the set screw adjacent to the shaft of the motor.
  • On the motor’s reverse side, release screws and capacitor leads.
  • Unscrew the hub puller until it fits over the shaft of the motor.
  • Tighten the side nuts of the hub puller until it securely holds the shaft.
  • Turn the hub puller counterclockwise until the motor is disengaged.
  • Remove the motor from its housing with care.
  • Remove the motor’s screws to remove the belly band.
  • Position the new motor so that its rotation corresponds to the airflow direction of the fan.
  • Reconnect motor belly band.
  • Backside bolts and capacitor leads must be connected to the motor once it has been centered within the fan’s wheel.
  • Reconnect the set screw of the motor.
  • Reinstall the motor and its housing into the furnace and secure it with bolts.
  • Reconnect the cables in the electrical outlet.
  • Restore the unit’s power supply.

In Conclusion

You should complete the replacement of the furnace blower motor by ensuring normal operation.


Replacement of a furnace blower motor is a task that most homeowners would prefer to avoid. If you are one of these individuals, contact a local ac repair in NYC expert for thorough furnace troubleshooting and repair! You can also contact Bluco at (929) 447-2077 now for assistance and visit our site to read our “HVAC Fan Not Working” article.

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