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HomeRepair HelpColeman A/C RepairColeman Air conditioner is loud or noisy Repair
Coleman Air conditioner is loud or noisy
If your Coleman air conditioner is loud or noisy, start with the parts most likely to make mechanical noise. A wearing compressor can make the AC louder than normal, although it may continue to run for years and should be replaced by a licensed professional if replacement is needed. Next, check the dual shaft fan motor, since worn bearings can cause a Coleman air conditioner making noise after years of use. Damaged front or rear fan blades, or blades rubbing the housing, can create air conditioner rattling, scraping, or a grinding noise. If the unit uses a condenser fan motor, confirm it is getting proper voltage and check the capacitor before replacing the motor. A noisy fan motor can also point to worn bearings or blades contacting the blower housing. Finally, inspect the blower wheel for wobble on the motor shaft and tighten or replace it if loose. Enter your Coleman air conditioner model number on RepairClinic.com to find the exact compressor, fan motor, fan blade, condenser fan motor, or blower wheel that fits your unit.
01 - Coleman 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 - Coleman 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 - Coleman 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 - Coleman 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 - Coleman 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 - Coleman 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 Coleman air conditioner making noise?
Why is my Coleman window air conditioner noisy or rattling?
Can a bad fan motor cause a Coleman AC making loud noise?
Should I replace the compressor if my Coleman air conditioner is loud?
How do I find the right replacement part for a noisy Coleman air conditioner?
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