The part(s) or condition(s) listed below for the symptom Washer vibrating or shaking are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.
One or more of the shock absorbers might be broken or worn out. The shock absorbers dampen the vibration of the washer tub. If one or more of the shock absorbers are worn out, the washer will vibrate or shake. Sometimes, when a washer is moved to another location, the shock absorbers can separate. Check the shock absorbers to ensure that they are positioned correctly, and inspect them for damage and wear. If one or more of the shock absorbers are broken or worn out, we recommend replacing all of the shock absorbers as a preventative measure.
The rear drum has a bearing or bearings in it to keep the inner tub spinning smoothly. If the tub bearing system is defective the washer can develop a bad vibration. On some machines bearings are sold separately from the rear drum, however we recommend replacing both the outer drum and bearing as an assembly if the manufacturer offers the components together because removing and pressing in the new bearing can be exceptionally difficult. Be aware that replacing the outer tub and bearing is also not easy and can be very costly.
Check to see if the washer is level, and adjust the leveling legs if necessary. Always lock the legs in place after adjustment to keep them from getting loose.