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Noises - Laundry Dryer

Troubleshooting Dryers Last Updated 08/26/2015

If noises are being heard from the dryer, it is important to first determine at what point during the cycle the noises are being heard.


Thumping sounds may be heard at the beginning of the cycle and go away after a few minutes. This is normal. The drum sits on roller wheels that help to rotate the drum during the drying cycle.

Periods of no use between cycles allow the weight of the drum to make small, flat spots on the rollers where the drum rests. Once the drums begins to rotate again, the flat spots are smoothed out within minutes. This sound may also be worse in colder weather.

Clicking sounds at the beginning of the cycle may be caused by the relay switches communicating to internal parts, the heater turning on and off, or the gas valve opening and closing. These sounds may also be heard at other times throughout the cycle.

If noises are heard throughout every cycle, start a cycle with no clothing in the drum. If the sound is not present without any clothing in the dryer, it is possible that the noise was simply something in the load itself such as zippers, buttons, or items left in the clothing.

If the dryer has been operated without the lint filter in place, it may be possible that an item such as a small garment or a dryer sheet was sucked into the blower fan. If this has happened, the unit may require repair service.

If the sound being heard is a fast, repetitive sound, the unit may require repair service.

If noise is being heard randomly from the dryer or not on every cycle, this is normally the result of items in the load itself. This can be caused by zippers, buttons, items left in pockets, or buckles. Remove any items that may have been left in the pockets of the clothing, and turn the garments inside out to reduce noise.

If the noise is heard on the first load of the day, this may be caused by flat spots on the rollers that the drum sits on. This is normal.

The drum sits on roller wheels that help to rotate the drum during the drying cycle. Periods of no use between cycles allow the weight of the drum to make small, flat spots on the rollers where the drum rests. Once the drums begins to rotate again, the flat spots are smoothed out within minutes. This sound may also be worse in colder weather.

If noises are being heard after the cycle ends, this could be the result of a dryer booster fan installed somewhere in the dryer's exhaust system. The dryer booster fan is normally installed in the attic or wall, depending on the way the exhaust is run.

Noises after the cycle may also be a result of metal shrinking, which is normal.

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