Tools you needs
- Shut off the electrical power supply to the blower motor.
- Remove the panel covering the blower motor on your furnace.
- Locate and remove the bolts/screws securing the motor housing to the frame.
- Disconnect motor wires from main unit.
- Slide out motor housing.
- Loosen the set screw next to the motor shaft.
- On the back side of the motor, loosen screws and capacitor leads.
How to replace furnace blower motor properly?
This is step by step guide on how to replace furnace blower motor properly and save. Shut off the electrical power supply to the blower motor. Remove the panel covering the blower motor on your furnace. Locate and remove the bolts/screws securing the motor housing to the frame.
Can a furnace blower motor be oiled to reduce noise?
Most older furnace blower motor can be oiled to reduce the noise, but most new furnace do not allow this. In this case you need to replace furnace blower motor..
Why is my furnace blower motor so noisy?
If the blower motor is noisy, the set screw on the blower wheel potentially loosened. You can fix this problem by tightening or replacing the screw, or changing the blower wheel all in all. A lot of dirt and dust in your furnace system can cause the blower motor to overheat.
How do I remove the motor from the housing?
Loosen the set screw next to the motor shaft. On the back side of the motor, loosen screws and capacitor leads. Unscrew hub puller until it can fit over the motor shaft. Tighten bolts on sides of hub puller until it grips the shaft firmly. Turn the hub puller clockwise until the motor comes loose. Carefully move the motor out of the housing.
What to do if blower motor won't run?
Why is my furnace blower noisy?
Where is the center of the motor on a fan?
How to remove a belly band from a motor?
Can you replace a furnace blower motor yourself?
Replacing a Furnace Blower Motor And all you need to make sure is that you have all the required parts according to the model and you are good to go with replacing the motor all by yourself. The Blower Furnace units are always designed in a way that you can replace the parts individually in case it goes faulty.
How much does it cost to replace a Lennox blower motor?
Lennox Blower Motor Replacement Cost Furnace blower motors will vary in cost depending on the type of motor. On average this is between $500-$1800. A basic ac motor (alternating current) will be on the lower side of the spectrum costing closer to $500.
How do I reset my Lennox blower motor?
Examine your furnace and look for a raised button or switch to the right of the ignition control box (or the “ Lennox limit switch reset"). Press and release the limit control switch to rest your Lennox furnace.
How long does it take to replace a furnace blower motor?
two to three hoursLabor Cost to Replace a Furnace Blower Motor Blower motor replacement typically takes two to three hours to complete, at a charge of $75 to $150 per hour. That brings the cost of labor to $150 to $450, depending on the difficulty of the repair and the cost of labor in your area.
Is it hard to replace a blower motor?
The replacement of the blower motor is common and straightforward, so most shops will perform the repair — many on the same day.
How do you know if your blower motor is bad?
What Are Signs Your Blower Motor Needs to Be Replaced?Poor or Airflow from Air Vents. This will be the first and most obvious sign your blower motor has a problem. ... No Airflow At All From Vents. ... Skyrocketing Energy Bills. ... Strange Noises When You Turn on the Heat. ... Overheating Blower / Weird Smells.
Where is the reset button on Lennox blower?
Find the reset button When removing the front panel of the furnace, look for a raised switch or a button on the side of the control panel area. The limit switch will house the reset button in the middle in many Lennox furnace models.
Do all blower motors have a reset button?
All furnaces are equipped with a reset button. They are generally red or yellow and are located inside the blower compartment. The reset button is a safety feature that will shut down the furnace when a problem is detected, often a hot or overheating furnace, before it trips the circuit breaker.
What causes a furnace blower to stop working?
If the fan does not start, you have a wiring issue (circuit breaker trips) or motor problem (circuit breaker does not trip). While your thermostat may be at fault, only an HVAC technician can diagnose and remedy the issue correctly. Time to call in the experts!
How much should it cost to replace a furnace blower motor?
Furnace Blower Motor Replacement Cost A furnace blower motor replacement costs around $250 to $910 for parts and labor. The part costs an average of $100 to $500, and labor costs about $150 to $410.
What happens if blower motor fails?
Power to the blower motor is fed through the blower motor resistor, so if it fails or has any issues power can be cut off to the motor. A blower motor without power will not be able to produce any air pressure, and as a result the heating and air conditioning system will be left with no air coming from the vents.
How do I test my furnace blower motor?
Follow these simple steps to test a furnace blower motor;Turn off the Power to the Furnace. ... Take off the Furnace Access Panels. ... Test the Continuity of the Motor Circuit. ... Test the Thermostat. ... Checking the Motor Windings. ... Checking the Capacitor.
How much should it cost to replace a furnace blower motor?
Furnace Blower Motor Replacement Cost A furnace blower motor replacement costs around $250 to $910 for parts and labor. The part costs an average of $100 to $500, and labor costs about $150 to $410.
How long does an AC blower motor last?
10 to 20 yearsThe blower motor in your home or office should last anywhere from 10 to 20 years. Modern sealed bearings and sealed bushings can push the lifespan to its maximum of 20 years.
How much does a new blower cost?
HVAC Blower Motor Replacement CostSizeCost RangeOne-third horsepower$100–$800One-half horsepower$120–$1,000Three-quarter horsepower$175–$1,500One horsepower$250–$2,0001 more row•Jan 27, 2022
When should I replace my furnace blower?
The industry standard is a 20-year life cycle. Furnace blower motors are designed and built to last many years with minor maintenance and no special attention. That doesn't mean a blower won't fail.
How to Install a Furnace Blower Motor | DoItYourself.com
Step 7 - Install the New Motor. Mount the new motor and connect the power plug assembly to the motor. Step 8 - Install the Four Bolts. Place the four bolts and tighten them slightly.
What to do if blower motor won't run?
If the blower motor will never run at all, you should first confirm that the motor is receiving power. If it is, then it’s likely the motor has burned out.
Why is my furnace blower noisy?
If the blower motor is noisy, the set screw on the blower wheel potentially loosened. You can fix this problem by tightening or replacing the screw, or changing the blower wheel all in all. A lot of dirt and dust in your furnace system can cause the blower motor to overheat.
Where is the center of the motor on a fan?
Center the motor within the fan wheel and connect bolts and capacitor leads on back.
How to remove a belly band from a motor?
Tighten bolts on sides of hub puller until it grips the shaft firmly. Turn the hub puller clockwise until the motor comes loose. Carefully move the motor out of the housing . Undo screws on motor so that you can take off the belly band.
What to do if blower motor won't run?
If the blower motor will never run at all, you should first confirm that the motor is receiving power. If it is, then it’s likely the motor has burned out.
Why is my furnace blower noisy?
If the blower motor is noisy, the set screw on the blower wheel potentially loosened. You can fix this problem by tightening or replacing the screw, or changing the blower wheel all in all. A lot of dirt and dust in your furnace system can cause the blower motor to overheat.
Where is the center of the motor on a fan?
Center the motor within the fan wheel and connect bolts and capacitor leads on back.
How to remove a belly band from a motor?
Tighten bolts on sides of hub puller until it grips the shaft firmly. Turn the hub puller clockwise until the motor comes loose. Carefully move the motor out of the housing . Undo screws on motor so that you can take off the belly band.