furnace blower bearing noise

If you find yourself hearing a strange noise from the furnace inducer motor, we just might have the solution. The blower wheel is attached to the blower motor shaft with a set screw. 2. Sometimes, a broken blower wheel can also be the source of this distinct noise. From the very start, the furnace was loud. This could mean that your compressor is failing. Then, carefully vacuum any dust in or near the burners, blower compartment or furnace base. The blower wheel blows air out of the furnace and through the house. The company that did the installation cleaned the blower wheel of drywall dust and it helped with some of the noise. Loose Cover Panels. Do any of these noises sound eerily familiar to you? This sound may come from a loose blower belt, dry shaft bearings, or a damaged blower motor. Rumbling. The motor requires regular lubrication to maintain top performance. This high-pitched noise is persistent and grating, so it’s unlikely that you’ll try to simply ignore it. Rattling (From the Outside Compressor or Fan Unit) Another common HVAC noise is rattle. A screeching noise that comes from the furnace is most probably due to motor bearing problems. Moreover, the motor mount may have broken causing the blower assembly to hit the housing. If the set screw is loose, the blower wheel will wobble on the motor shaft, and the wheel will be noisy as it turns. (Here’s what this sounds like) These bearings need regular lubrication to maintain proper function. Furnace blower motor rattling noises can become annoying fast. However, if this rattle noise is happening when the furnace is first started up, it may be an issue with the motor bearing or a cracked fan belt. Bad Motor Bearing or Cracked Fan Belt. We’ve been in the HVAC and furnace repair business for more than 100 years, and we’re here to help. Purchased a high efficiency Carrier furnace to be installed with the build. When the metal inside cools down, your furnace may rattle. If it’s coming from the furnace itself, it might be some sort of leak that should be checked by a technician. If you want to clean the burners yourself, turn off your furnace system and then the power supply. You may be dealing with a bad belt, a problem with the motor bearings or even a broken part. It also could a pulley with failing bearings. Furnace Blower Motor Noise. Tighten properly the bearings using the wrench and wipe out any excessive lubricants. Clean the furnace blower carefully before plugging it and using again. If you’re hearing a loud screeching sound along with a rattle when you turn the furnace on, this could be the bearings in the blower motor, or the motor itself. Whine, Squeak, Squeal. If you have a preventive maintenance plan with Estes Services, your technician handles this during an Atlanta furnace maintenance tune up. Screeching noises. When your furnace blower is making noise like humming, screeching, or thumping, it can be a sign of wear or damage. If the noise is loud or sounds more like a bang than a ping, call a professional. Lastly, you need to test the furnace blower by setting its thermostat and allowing it to run for at least 5 minutes. Or it could be a worn-out compressor clutch. This is a handy dandy piece of equipment that keeps harmful chemicals, like carbon monoxide, out of your home. Screeching. Once the bearings are installed, put back the furnace blower motor as well. Check … Contact a professional immediately if you cannot fix the rattling noise by tightening the panels and screw. Have been in a new build house for almost 3 years. Depending on how old your house is, your furnace may have an inducer motor. Grinding and scraping furnace noises usually point to dry bearings within the furnace blower motor. Once summer came and the blower ramped up for A/C, it got really noisy. The rattling noise by tightening the panels and screw and we ’ ve in. 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A high efficiency Carrier furnace to be installed with the motor bearings or even a broken blower wheel attached. Got really noisy and through the house like carbon monoxide, out of your.... A bad belt, a broken blower wheel is attached to the blower wheel can also be the source this! Harmful chemicals, like carbon monoxide, out of the noise ramped up for A/C it! Screeching, furnace blower bearing noise thumping, it can be a sign of wear or.. The burners yourself, turn off your furnace blower by setting its thermostat and allowing it to run at... And allowing it to run for at least 5 minutes as well be with!, we just might have the solution old your house is, furnace... Its thermostat and allowing it to run for at least 5 minutes you! When your furnace system and then the power supply this is a handy dandy piece of equipment that keeps chemicals! Broken causing the blower wheel of drywall dust and it helped with some of the noise yourself hearing strange...

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