Shakes only with towels or bedding
The dryer is fairly calm with normal mixed loads, but bulky items bunch up and the cabinet starts hopping or thumping.
Start here: Start with load balance and leveling before opening the dryer.
Direct answer: If your dryer is vibrating, start with the floor, leveling feet, and load balance before assuming an internal failure. A dryer that suddenly shakes hard with an empty drum or makes a low rumble usually has a worn support part inside.
Most likely: The most common causes are an unlevel dryer, heavy items bunched on one side of the drum, or worn dryer drum support rollers or glides.
Separate the easy outside causes from the inside wear causes first. If the vibration changes when you redistribute the load or press on a front corner, stay with setup and leveling. If it still thumps or rumbles empty, the drum support parts are the better bet. Reality check: a little movement on a wood floor is normal, but walking, banging, or a new rumble is not. Common wrong move: stuffing towels back in and running another cycle without checking whether one leveling foot has backed off.
Don’t start with: Don't start by buying internal parts just because the cabinet is shaking. A dryer that sits twisted on the floor can sound a lot worse than it is.
The dryer is fairly calm with normal mixed loads, but bulky items bunch up and the cabinet starts hopping or thumping.
Start here: Start with load balance and leveling before opening the dryer.
The drum turns, but you hear a steady rumble, thump, or rough rolling sound with no clothes inside.
Start here: Start with an empty-run test and then check for worn dryer drum support rollers or dryer drum glides.
The dryer itself may not be badly out of balance, but the top, sides, vent connection, or nearby wall vibrates loudly.
Start here: Start with clearance, vent connection, and whether the dryer is twisted on the floor.
The dryer was quiet before, then started shaking after cleaning behind it, replacing flooring, or reconnecting the vent.
Start here: Start with the feet, floor contact, and whether the vent is pushing the dryer out of square.
This is the most common cause, especially after the dryer has been moved. One foot can be slightly off the floor and the cabinet will rock and amplify normal drum movement.
Quick check: With the dryer off, press down firmly on each front corner and then each rear corner. If it rocks or clicks, it needs leveling or a better floor contact point.
Bulky items like towels, sheets, rugs, or one heavy item can roll into a lump and make a healthy dryer shake.
Quick check: Run a normal mixed load, then compare that to one wet blanket or a few towels. If the vibration is much worse with bulky items, the issue may be load balance more than a failed part.
A rigid or kinked vent, a dryer pushed tight to the wall, or loose items on top can turn mild vibration into a loud rattle.
Quick check: Pull the dryer slightly forward, remove anything sitting on top, and make sure the vent connection is not jammed sideways or crushed.
When support parts wear flat, crack, or loosen up, the drum no longer rides smoothly. That usually causes a deeper rumble or repeating thump, often even with an empty drum.
Quick check: Run the dryer empty for a minute. If the vibration stays and the sound is mechanical rather than load-related, internal drum support wear is likely.
A dryer that rocks on the floor can shake hard even when nothing inside is actually broken. This is the fastest, safest check and it solves a lot of calls.
Next move: If the cabinet stops rocking and the vibration drops to a normal light hum, the problem was setup, not an internal part. If the dryer sits solidly but still shakes, move on to load and empty-drum checks.
What to conclude: You have ruled out the most common outside cause and can focus on whether the vibration is coming from the load, the vent connection, or worn drum supports.
Bulky wet items can bunch up and make even a good dryer thump. You want to know whether the vibration follows the load or stays with the machine.
Next move: If the dryer is smooth empty and only acts up with bulky loads, the machine is probably fine and the fix is better load balance plus solid leveling. If the dryer still rumbles, thumps, or shakes empty, the problem is likely inside the dryer.
What to conclude: A vibration that stays with an empty drum points away from laundry balance and toward worn support parts or a loose internal component.
Sometimes the drum is not badly out of balance at all. The noise is coming from the cabinet, top panel, vent connection, or wall contact amplifying normal movement.
Next move: If the rattle changes or disappears when the cabinet is steadied or the vent is repositioned, you are dealing with transmitted vibration rather than a major internal failure. If the sound stays as a deep rumble or repeating thump, go to the internal support branch.
Once the dryer is level and the vibration is still there with an empty drum, worn support parts move to the top of the list. These parts carry the drum and wear gradually until the drum starts running rough.
Next move: If you find worn rollers or glides, replacing the failed support parts is the right repair path. If the support parts look intact and the source is still unclear, stop before guessing at parts.
Running a dryer that is shaking hard can wear the drum, cabinet mounts, and belt path faster. Once you have a confirmed internal support issue, the next move is repair, not more test cycles.
A good result: If the dryer runs smoothly empty and with a normal load, the repair is complete.
If not: If vibration remains after confirmed support-part replacement, the dryer needs a deeper internal diagnosis for a less common mechanical problem.
What to conclude: You either finished the repair with the right parts, or you avoided the usual guess-and-buy trap and moved to a proper service call.
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That usually points to load balance, not a failed part. Bulky wet items can roll into one heavy mass and make the drum hit harder on one side. Make sure the dryer is level, then dry bulky items in smaller, better-balanced loads.
A small amount of movement and hum is normal, especially on wood floors. What is not normal is a new rumble, a repeating thump, or a dryer that walks, bangs, or rattles hard enough to be heard across the room.
It can make the vibration sound worse. A kinked or rigid vent can push the dryer out of square or transmit cabinet movement into the wall. It is worth checking, but a dryer that still shakes empty usually has another cause.
Worn dryer drum support rollers are a common cause. On some dryers, worn dryer drum glides at the front support can do the same thing. The clue is that the vibration stays even with no clothes inside.
If it is only mild load-related shaking and the dryer is level, you can usually correct that with better loading. If it vibrates empty, rumbles, grinds, or walks, stop using it until you inspect it. Continued use can wear other parts and make the repair bigger.