Knocking or Rattling Sound - Dryer

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Possible Solutions

Is the dryer level?

Check that dryer is level; if not, or if one leg is missing, it can cause the dryer to make a knocking noise.

Is there anything on top or next to the dryer?

Items leaning against the dryer may also cause a knocking or rattling noise.
Remove objects from the top of the dryer that may be causing the sound.
Sometimes when the washer spins, it will cause the dryer cabinet to vibrate. Leave space between the washer and dryer to avoid this sound.
If the dryer is mounted on a dryer pedestal, items in the pedestal drawer may be rattling/vibrating, causing the sound.

Are there loose items in the dryer?

Zippers, buckles, buttons, and rivets on garments as well as loose coins, paper clips, pens, or similar items may be tumbling in the dryer. Always check and clear pockets before washing.

Has anything fallen into the lint chute?

It is possible for small items such as coins, socks, etc. to fall into the lint chute housing and hit the blower wheel as it spins, causing a knocking noise. Remove the lint screen and look inside the housing for foreign objects, if items are spotted use a lint brush specific for dryers to remove the items.

REMINDER: We recommend always operating the dryer with the lint screen installed.

CLICK HERE to purchase a dryer lint brush