Strong impacts of the tank against the walls of the housing when reaching high speeds are the first signal of a critical imbalance or mechanical wear of the components. If your washing machine begins to vibrate with such force that it moves out of place or makes rumbling sounds, the problem requires immediate diagnosis. Ignoring the symptoms may result in destruction of the drum spider or damage to the floor covering. In most cases, the reason lies in incorrect installation, but often the culprits are faulty shock absorbers or destroyed counterweights.
To begin with, you should exclude the simplest factors that do not require disassembling the equipment. Check if they are securely fastened transport bolts when installing for the first time, and make sure that the floor underneath the unit is level. If external factors are excluded, and The washing machine shakes a lot when spinning, you will have to look inside the unit. Below we will analyze the main technical causes of the malfunction and methods for eliminating them.
Installation errors and external factors
Often the cause of unstable operation is a simple disregard for installation rules. If the device is placed on slippery tiles or linoleum without anti-slip mats, even a working mechanism will “walk” around the room while rotating. Make sure the legs are firmly against the floor and secured with locknuts. Level adjustment is not just a recommendation, but a necessity for the correct operation of the system balancing.
⚠️ Attention: Operating the equipment without removing the transport bolts leads to rapid destruction of the bearing assembly and tank. If the car is new and jumps, check the rear wall - the bolts must be unscrewed.
It is also worth paying attention to the state of communications. The water supply and drain hoses should not be stretched or lie on the body, creating additional pressure. When drawing water or pumping it out, they can jerk the body, increasing the overall vibration. Inspect the area around the unit: nothing should touch the walls except the support legs.
Damper system wear
The main element that dampens the vibrations of the tank during rotation are shock absorbers. Modern models use friction dampers, which lose their properties over time. If shock absorbers worn out, the tank begins to hit the walls of the housing with a characteristic thud. You can check their condition by pressing the tank from top to bottom: if it moves as if on a spring and does not return smoothly, the dampers require replacement.
- 🔧 Inspect the lower part of the car: there should be no traces of oil or mechanical damage on the shock absorbers.
- 🔧 Check the fastening of the dampers to the tank and body - play in the fastening areas is unacceptable.
- 🔧 Pay attention to the color of the plastic: blackening may indicate overheating and destruction of the material.
Replacing shock absorbers is a moderately complex procedure that requires partial disassembly of the body. It is important to change them in pairs, even if one of them looks better than the other. Use of original spare parts or high-quality analogues from trusted manufacturers, such as Candy, Bosch or LG, guarantees a long service life.
Problems with counterweights
Concrete or cast iron weights attached to the tank are necessary to stabilize the weight of the laundry and water. Over time, constant vibration can cause the mounting bolts to loosen and the blocks themselves to crack. If counterweight has a crack, it ceases to perform its function and begins to make a loud knock when in contact with the tank.
Diagnostics requires removing the top cover or rear panel, depending on the model. Visually inspect the concrete blocks for chips. If a crack is found, it can be temporarily repaired with epoxy resin, but it is better to completely replace the element. Loose bolts should be tightened to the recommended torque using thread locker.
| Fault type | Characteristic sound | Elimination method |
|---|---|---|
| Crack in the counterweight | Loud knocking, rattling | Block replacement or repair with epoxy |
| Loosening fasteners | Dull rhythmic knocking | Tightening bolts with clamp |
| Broken fastening ear | Strong impact, tank displacement | Replacing the counterweight |
Where to find the counterweight markings
The marking is usually stamped on the end of the concrete block or applied with paint. When ordering spare parts, it is important to know not only the machine model, but also the loading volume, since the weight of the weights may vary.
Bearing unit malfunctions
One of the biggest reasons why The washing machine shakes a lot when spinning, is the failure of the bearings. When the seal loses its seal, water enters the bearing assembly, washing away the lubricant and causing corrosion. This leads to play in the drum shaft.
You can diagnose the problem by opening the hatch and shaking the drum with your hand. If you feel free movement up and down or left and right, and when rotating you hear a hum similar to the noise of an airplane taking off, the bearings require replacement. Operation in this condition is dangerous: the shaft may become distorted, which will lead to destruction of the tank.
- 🔊 Listen to the sound: an increasing hum during acceleration is a sure sign of bearings.
- 🔍 Inspect the oil seal: traces of rust or smudges are often visible on it.
- ⚙️ Check the shaft: it should be smooth, free of corrosion and wear.
Replacing bearings is a labor-intensive process that often requires disassembling or cutting the tank. In modern models with non-separable tanks, it is more expedient to replace the tank complete with the drum, although this is more expensive. Using high-quality SKF or NSK bearings will extend the life of the unit.
⚠️ Attention: If the smell of burning or burning rubber comes from the hatch when the machine is running, stop using it immediately. This may indicate critical overheating of the bearing assembly.
Linen imbalance and overload
Even fully operational equipment can behave unstably if loading rules are violated. Washing one heavy item (such as a blanket or jacket) without other items of clothing causes a shift in the center of gravity. System balancing does not have time to compensate for the jerks, and the car begins to jump.
Try to distribute the laundry evenly throughout the drum. If you're washing large items, add a few towels to balance them out. Also, do not exceed the maximum loading weight specified in the instructions for your model Indesit, Samsung or another brand. Overload not only causes vibration, but also accelerates wear of all components.
☑️ Checklist for correct loading
Tank suspension springs
The washing machine tank is suspended on springs that compensate for vertical vibrations. Over time, the metal gets tired and the springs stretch, losing their elasticity. If one of the springs bursts or is stretched too much, the tank warps and the machine begins to vibrate strongly during the spin cycle.
To check, remove the top cover and inspect the condition of the springs. They must be the same length and have no visible deformations. Replacing springs is a simple procedure that you can do yourself. It is important to select an element with similar stiffness and length in order to maintain the suspension geometry.
Sometimes the problem lies in the place where the spring is attached to the body. If the eye on the housing has become detached or deformed, a more complex repair will be required by restoring the fastening or replacing the housing. Regular inspection of these elements will help prevent sudden breakdowns.
Tip: When replacing springs, lubricate their mounting points with lithium grease. This will prevent squeaks and corrosion in the future.
Frequently asked questions about vibration of washing machines
Why does a new car jump when first turned on?
Most likely, the transport bolts securing the tank during transportation were not removed. It is also possible that the machine is not level and the feet need to be adjusted.
Is it possible to wash if the machine vibrates a little?
Minor vibration is acceptable, but if the machine moves or makes loud noises, stop using it. This will lead to the destruction of other nodes.
How often should shock absorbers be replaced?
The average service life of shock absorbers is 5-7 years with active use. However, with daily washing with a large load of laundry, the service life may be reduced to 3 years.
Does the floor affect the vibration of the washing machine?
Yes, a wooden floor or an unreliable screed can increase resonance. In such cases, it is recommended to use special anti-vibration stands or mats.
What should I do if vibration remains after replacing parts?
Check that the assembly is correct, that all fasteners are present, and that other components, such as bearings or pulleys, are in good condition. Perhaps the reason lies in a combination of factors.
Main conclusion: In 80% of cases, severe vibration is eliminated by adjusting the legs, removing transport bolts or replacing shock absorbers. Don’t rush to throw away your equipment—repairing is often cheaper than buying a new one.