A Whirlpool WTW7120 that shakes, bangs or walks on the spin is reacting to weight that is not centered in the basket or to a tub that is free to swing too far. This is a 5.3 cubic foot top-loader, and a drum that large holds a great deal of wet laundry at spin speed. A top-loader extracts water by spinning the basket at high speed, and the tub hangs on suspension that lets it move so the vibration does not pass straight to the floor.
The checks in more detail
When the load is lopsided the basket swings in a wide circle and can strike the cabinet. Tackle the load first, because it is the commonest cause and the easiest to fix. A single heavy item, such as a bath mat, a pair of jeans or a wet blanket, tends to sit in one place. Mix large and small items, spread the clothes evenly around the basket and do not stack them in the middle.
Do not overfill; clothes should fill the basket loosely to the level shown in the manual. If the washer stops with an unbalanced message, open the lid, rearrange the load and restart the spin. With the Load & Go dispenser, remember that excess detergent makes foam that cushions the load and sloshes, so check the dose if Sud or Sd appears alongside the shaking. Then check the machine. Stand a spirit level on the lid and adjust the feet so the washer is level, then push down on opposite corners to check it does not rock; tighten the lock nuts.
A floor that flexes, such as an upstairs boards floor, makes vibration worse, and a plywood sheet or anti-vibration pads under the feet will help. If the washer shakes even with a small, balanced load and the tub strikes the cabinet, the suspension rods or the balance parts may be worn, and a technician can check them. Run a heavy spin cycle after any change to see whether the movement has stopped.
Differential
Likely causes of “Whirlpool WTW7120 top-load washer shakes, walks or bangs during spin”, and how to tell them apart
- 1
A lopsided load
What separates it One heavy item sits on one side
How to confirm Mix large and small items
- 2
An overloaded basket
What separates it Clothes are packed above the holes
How to confirm Load less
- 3
An unlevel washer
What separates it It rocks when pushed at a corner
How to confirm Adjust and lock the feet
- 4
A flexible floor
What separates it Vibration is felt through the room
How to confirm Add pads or a board
- 5
Worn suspension
What separates it The tub strikes the cabinet with a balanced load
How to confirm Technician check
Before you touch a setting
Record this first — changing settings destroys the evidence
- Whether it shakes with every load or only heavy ones
- Whether the app shows a balance message
- Whether the washer rocks when pushed
- The floor type under the machine
Try in this order
0 of 6 completedRedistribute the load
ReversibleSpread it evenly.
Do not overfill
ReversibleLeave the top clear.
Level the washer
ReversibleUse a spirit level.
Lock the feet
ReversibleTighten the nuts.
Add pads
ReversibleOn a weak floor.
Call service
ReversibleIf it still bangs.
Model-specific
What is true of this model and not of its siblings
- What the suspension does
- The tub hangs on rods and springs, or on a balance ring, so that it can swing a little during the spin without passing the movement to the cabinet. When those parts wear, the tub swings further and strikes the cabinet.
- The balance routine
- The control senses a lopsided load and slows the spin, then tries again. Several stops and restarts in a row mean the load is badly placed, and the washer may give up with a message until you rearrange it.
- Why levelling matters
- Four feet carry the washer's weight. If one is short, the cabinet rocks on the spin and magnifies every small imbalance, so level it and lock the nuts before judging the load.
- The floor underneath
- A rigid concrete floor is the quietest. A wooden floor over joists flexes and rings like a drum, and a sheet of plywood under the washer or pads beneath the feet reduces the movement.
- Loading habits
- Wash bulky items with a few small ones, spread the clothes evenly around the basket and do not pack them over the middle. Never fill above the level the manual allows.
- Finding the right part
- If the suspension needs replacing, quote WTW7120 and the serial number from the label, since rods and springs differ between revisions.
- Parts for this problem on the WTW7120 (RepairClinic, 2026-09-20)
- suspension rod kit includes (4) rods with bushin, part number W11400156, at $91.32; leveling leg, part number WPW10687506, at $23.43.
Stop boundary
When this stops being a self-service repair
- !Stop the washer if the tub hits the cabinet
- !Do not wash a single bulky item to test it
- !Book a technician if suspension noises continue
Evidence ledger
Sources behind this answer
Exact questions
Common questions
Why does my top-loader bang?+
The load is unbalanced or the tub swings too far.
Is a big load worse?+
An overloaded basket is.
Will pads help?+
On a springy floor, yes.
Can I fix the suspension?+
A technician usually does.
Is it a motor fault?+
Rarely; the motor runs smoothly, and it is the weight distribution that shakes the machine.
How do I know it is fixed?+
A heavy spin runs quietly and the washer stays where you put it.
Is it safe to keep using it?+
Short term yes, but repeated banging damages the cabinet and the floor, so fix it soon.