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HomeRepair HelpRuud A/C RepairRuud Air conditioner is loud or noisy Repair
Ruud Air conditioner is loud or noisy
If your Ruud air conditioner is loud or noisy, the sound usually points to a moving part that is wearing, loose, or rubbing. A noisy compressor is a common cause, especially if the unit has gotten louder over time, though compressors can often keep running for years after they start making noise and replacement should be handled by a licensed professional. Next, check the dual shaft fan motor, since worn motor bearings can make an AC make a loud noise. Damaged front or rear fan blades can also cause air conditioner rattling or scraping if they hit the housing. If the condenser fan motor is noisy or not running correctly, test for proper voltage and inspect the capacitor before replacing the motor. A standard fan motor with worn bearings can create a steady hum, squeal, or grinding noise, while a loose blower wheel can wobble on the motor shaft and make the window air conditioner noisy. Enter your model number on RepairClinic.com to find the exact Ruud replacement part for your air conditioner.
01 - Ruud Air Conditioner Compressor
When the compressor is wearing out, it generates more noise than usual. When this happens, it is not necessary to replace the compressor—compressors often last for years after they become noisy. However, if you would prefer to have a new compressor, have a licensed professional replace it.
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02 - Ruud Air Conditioner Dual Shaft Fan Motor
The fan motor or dual shaft fan motor has bearings which are usually permanently lubricated. However, over several years, the lubrication will break down, causing the motor to become noisy. If this happens, replace the dual shaft fan motor.
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03 - Ruud Air Conditioner Fan Blade
Air conditioners have a fan blade in the front and a fan blade in the rear. Check both fan blades for damage. If a fan blade is damaged, or is rubbing against the fan housing, replace it.
Highly Likely
04 - Ruud Air Conditioner Condenser Fan Motor
To determine if the condenser fan motor is working, use a multimeter to test the incoming voltage to the motor. If the condenser fan motor is receiving the correct voltage, but the motor still won’t run, you should inspect the capacitor, if applicable, for any bulging or leaking. You can also use a multimeter to determine if the capacitor can hold and release its charge. If the capacitor appears to be in good condition, replace the condenser fan motor.
Highly Likely
05 - Ruud Air Conditioner Fan Motor
The fan blades might be scraping against the blower housing. Air conditioners have a fan blade in the front and a fan blade in the rear. Check both fan blades to ensure that they are not rubbing against the housing. If the blades aren’t rubbing against the housing and the fan motor is still noisy, check the fan motor bearings for wear. If the bearings are worn, replace the fan motor.
Highly Likely
06 - Ruud Air Conditioner Blower Wheel
Wiggle the blower wheel to see if it wobbles on the motor shaft. If the blower wheel is loose, try tightening or replacing the set screw screw if it has one. If blower wheel still isn’t stable, replace the blower wheel altogether.
Common
Frequently Asked Questions
Why is my Ruud air conditioner making noise?
Is a noisy Ruud AC compressor a serious problem?
What causes a window air conditioner noisy rattling sound?
How do I test a Ruud condenser fan motor that is loud or not running?
How do I find the right Ruud air conditioner fan motor, fan blade, or blower wheel?
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