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Air Conditioner is Loud or Noisy

The 8 most common part(s) or condition(s) which contribute to the symptom Air conditioner is loud or noisy are listed below. Check or test each item and watch any available videos. If you are still unable to solve the problem you may need to do additional research and troubleshooting. Remember, with our 365 Days. Period.® return policy you can return any part for any reason. So, go ahead and buy it to try it. No other parts retailer offers this unconditional return policy.


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For the symptom you selected, these are the most common parts or causes, ordered by the likelihood of fixing the symptom.

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Compressor

Air conditioner compressors are almost always noisy. If the compressor is making an unusual noise or is noisier than it used to be, it might be worn out or wearing out. It is not dangerous to run a compressor when it is noisy. Sometimes compressors last for years even after they become noisy.

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Drive Motor

If the air conditioner is noisy the fan motor, also called a drive motor, might be worn out. The drive motor has bearings which are usually permanently lubricated. Over several years the lubrication will break down and the drive motor will become noisy. The motor is not repairable and will need to be replaced if it is noisy.

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Dual Shaft Fan Motor

If the air conditioner is noisy the fan motor, also called a dual shaft fan motor, might be worn out. The dual shaft fan motor has bearings which are usually permanently lubricated. Over several years the lubrication will break down and the motor will become noisy. The dual shaft fan motor is not repairable and will need to be replaced if it is noisy.

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Fan Blade

Air conditioners have a fan blade in the front and a fan blade in the rear. If either fan blade breaks or wears out it can begin rubbing on the fan housing. If the air conditioner is noisy and the noise seems to be coming from the fan area, the fan blade should be checked.

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Fan Motor

If the air conditioner is noisy one or more of the fan blades might be rubbing the housing. If the blades are not rubbing against anything and the fan motor is still noisy, the fan motor bearings may have worn out. If this happens the fan motor will need to be replaced.

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Fan

If the air conditioner is noisy the fan motor might be worn out. The fan motor has bearings which are usually permanently lubricated. Over several years the lubrication will break down and the fan motor will become noisy. The motor is not repairable and will need to be replaced if it is noisy.

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Blower Wheel

Air conditioners have a fan blade in the front and a fan blade in the rear. If either fan blade breaks or wears out it can begin rubbing on the fan housing. If the air conditioner is noisy and the noise seems to be coming from the fan area, the fan blade should be checked.

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Blower Motor

If the air conditioner is noisy one or more of the fan blades might be rubbing the housing. If the blades are not rubbing against anything and the blower motor is still noisy, the blower motor bearings may have worn out. If this happens the blower motor will need to be replaced.

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