LG washer shaking violently can be caused by an unbalanced load, leveling issue, transport hardware, suspension wear, or a drive-system fault. Stop the cycle if it moves or strikes surrounding surfaces.
Safety first: Unplug the appliance before touching accessible hoses, filters, or panels. Do not bypass a door or lid switch, probe live wiring, or continue using an appliance with smoke, a burning smell, sparking, a hot plug, repeated breaker trips, or water near electrical parts.
Most Likely Causes
1. Unbalanced bulky load
Start with visible symptoms and the exact model manual.
2. Uneven leveling feet
Do not bypass safety devices or force internal panels.
3. Shipping bolts on a front-load model
If the symptom recurs after safe checks, a qualified technician can test the component.
4. Worn suspension or shocks
Start with visible symptoms and the exact model manual.
5. Loose flooring or pedestal
Do not bypass safety devices or force internal panels.
6. Drive or basket fault
If the symptom recurs after safe checks, a qualified technician can test the component.
Step-by-Step Diagnosis
Step 1: Stop and redistribute load
Use safe, owner-accessible checks first.
Step 2: Check all feet
Disconnect power before touching accessible components.
Step 3: Confirm shipping bolts removed
Stop if there is burning odor, sparks, water near electrical parts, or severe mechanical noise.
Step 4: Inspect floor stability
Use safe, owner-accessible checks first.
Step 5: Run one small balanced test
Disconnect power before touching accessible components.
Step 6: Call service for repeated violent movement
Stop if there is burning odor, sparks, water near electrical parts, or severe mechanical noise.
Components Related to This Symptom
A qualified technician may inspect the leveling feet, suspension rods or shocks, counterweights, basket, drive motor, belt where fitted, and control. The symptom alone does not confirm a failed part.
When to Call a Professional
Book service if the safe checks do not solve the problem, a code or symptom returns, or the repair requires meter testing, internal wiring access, appliance removal, or disassembly. Stop immediately for burning odor, sparks, hot wiring, breaker trips, or water near electrical parts.
Related Troubleshooting Guides
Dishwasher not draining, Washer not spinning, and Refrigerator not cooling.
Frequently Asked Questions
Is this ever normal?
Some operating sounds or brief changes can be normal, but a new, loud, repeated, or worsening symptom should be checked.
When should I call a professional?
Call when safe external checks do not resolve it or service requires internal electrical, refrigeration, heating, or drive-system work.
Bottom Line
Start with the safe external checks, follow the guide for your exact model, and avoid guessing at internal components.