Every piano sound, from the grandest note to the faintest squeak, plays a role in the overall experience of the musician and listener alike. When pianos begin to emit unusual sounds like squeaks and creaks, it’s more than a mere disturbance It’s an indication of underlying issues that need addressing. Understanding these sounds is essential for maintaining the musical quality and the health of this beloved instrument.

Pianos are complex instruments, comprising numerous mechanical parts that work in harmony. With time, factors such as regular use, environmental changes, and natural wear can lead to the emergence of unexpected noises. Often overlooked, these sounds are, in fact, the piano’s way of signaling a need for care and maintenance.

In this article, we explore the significance of these auditory signals. Each creak of a pedal or squeak of a key tells a story, pointing to a cause and hinting at a potential solution. By interpreting these sounds correctly, players can not only improve their playing experience but also ensure the longevity and preservation of their pianos.

Common Causes of Squeaks and Creaks in Pianos

Pianos, with their rich history and complex construction, are prone to a variety of sounds that can indicate maintenance needs. Understanding these common causes of squeaks and creaks is the first step in addressing them effectively.

Pedal Noises

The pedals at the base of a piano are integral to its expressive capabilities, but they can also be sources of unwanted noise. Squeaky pedals often result from friction in the pedal mechanism, where lubrication has diminished or worn out. This friction can be due to a variety of factors, including dust accumulation, aging of the felt bushings, or even rust in older models. 

Not only are these sounds distracting, but they can also hinder the smooth operation of the pedals. This affects the damper lift and the overall playability of the instrument. Regular cleaning and proper lubrication of the pedal mechanism prevent and remedy these noises.

Key Noises

The keys of a piano are its most interacted-with component. Over time, they can develop creaks and squeaks. These sounds typically originate from the key bushings – the felt-lined holes where the keys pivot. With constant use, this felt can compress or wear unevenly, leading to a less snug fit and resulting in noise. 

Additionally, the wooden parts of the keys can swell or contract with changes in humidity, leading to friction and noise. Addressing key noises often involves adjusting the bushings, realigning the keys, or sometimes, replacing worn-out parts to ensure a smooth and quiet action.

Soundboard and Strings

The soundboard and strings of a piano are highly sensitive to environmental conditions. Fluctuations in humidity and temperature can cause the wooden soundboard to expand and contract, leading to creaking sounds. 

Similarly, the tension of the strings can vary with temperature changes. This causes them to rub against each other or their supporting structures, producing squeaks. These sounds can indicate that the piano is in an environment with unstable climate conditions, which can be detrimental to its overall health. 

Using a climate control system or a dehumidifier can help maintain a stable environment, reducing these issues and preserving the piano’s condition.

Diagnosing the Problem

Effectively addressing the squeaks and creaks in a piano starts with accurately diagnosing the source of these sounds. Knowing what to listen for and how to interpret these noises is key to maintaining the instrument’s health and performance.

Identifying the Source

Locating the origin of a noise in a piano can be a bit like detective work. Here are some tips to help you pinpoint where a sound is coming from:

  • Isolate the Sound: Play each key individually and use each pedal separately to see if you can replicate the noise. This process helps in narrowing down the problematic area.
  • Listen Closely: Sometimes, the location of a sound can be deceptive. Use a methodical approach, moving from one section of the piano to another, and listen closely to where the sound is loudest or most clear.
  • Feel for Vibrations: Sometimes, your sense of touch can be as helpful as your hearing. Gently place your hand on different parts of the piano as you play to feel for unusual vibrations.
  • Use a Stethoscope: For more elusive sounds, a stethoscope or a similar listening device can help in pinpointing the exact source.
  • Check the Environment: Sometimes, what seems like a noise coming from the piano could actually be from an external source, like a loose floorboard or an adjacent piece of furniture.

When to Worry

Understanding which noises are normal and which are red flags is crucial in piano maintenance:

  • Normal Operational Sounds: Some sounds are part of the normal piano operation. For instance, a slight thud when keys are pressed or a faint whisper of the dampers lifting is typical.
  • Repetitive or Consistent Noises: If noise occurs every time a certain key is pressed or a pedal is used, it’s a sign that something specific in the mechanism needs attention.
  • Changes Over Time: Pay attention to sounds that develop or change over time. A squeak or creak that grows louder or more frequent can indicate escalating issues.
  • Unusual or Harsh Sounds: Sounds that are distinctly out of character for the piano, like a harsh grating or a loud snap, should be cause for immediate concern. These could indicate serious issues that require professional attention.
  • Impact on Playability: If a noise is accompanied by a change in the feel or response of the piano, such as a sticky key or a non-responsive pedal, it’s a clear sign that the issue is affecting the instrument’s playability.

Diagnosing the problem in a piano involves careful listening, observation, and sometimes a bit of investigative work. Understanding which sounds are normal and which are indicative of problems is essential in ensuring the well-being and longevity of your piano. When in doubt, consulting a professional piano technician is always the best course of action.

DIY Fixes vs. Professional Repairs

Maintaining a piano in top condition often involves a mix of do-it-yourself maintenance and professional intervention. Knowing when a problem can be solved with a simple fix at home and when it requires the expertise of a professional is crucial for the health and longevity of your piano.

Simple Fixes You Can Do at Home

For minor squeaks and creaks, there are several maintenance steps you can undertake:

  • Lubrication: A common cause of squeaky pedals or keys is lack of lubrication. Using an appropriate piano lubricant (not household oils or WD-40) on the moving parts of the pedals or under the keys can often resolve these issues.
  • Tightening Screws: Sometimes, loose screws in the piano’s action or pedal assembly can cause rattling or buzzing sounds. Tightening these screws can eliminate these noises. However, be cautious and avoid over-tightening, as this can cause damage.
  • Humidity Control: To prevent the wood in your piano from swelling or contracting (which can cause creaks), use a dehumidifier or humidifier to maintain a stable environment, ideally with a relative humidity of around 40-50%.
  • Cleaning: Dust and debris can accumulate in the piano, causing noises. Regularly cleaning the piano, especially around the keys and pedals, can help prevent and eliminate some sounds.

When to Call a Professional

There are situations where professional expertise is necessary:

  • Persistent Noises: If a noise persists despite your attempts to fix it, it’s time to call a professional. They have the tools and knowledge to diagnose and resolve more complex issues.
  • Complex Mechanisms: The internal mechanisms of a piano, like the action and dampers, are intricate and delicate. If these areas are causing noise, professional servicing is recommended to avoid causing further damage.
  • Tuning Issues: If squeaks or creaks are accompanied by tuning problems, this could indicate more serious issues that require a professional piano tuner or technician.
  • Structural Concerns: Any noises that suggest structural issues, such as cracks in the soundboard or problems with the piano’s frame, need immediate professional attention.
  • Restoration Needs: For antique or heavily used pianos, what might seem like a minor issue could be a symptom of a need for more extensive restoration or repair.

Preventative Maintenance

Preventative maintenance is essential in ensuring the longevity and optimal performance of your piano. By regularly attending to your piano’s needs, you can prevent many common issues, including those pesky squeaks and creaks. Here are key areas to focus on:

Regular Tuning

Regular tuning involves adjusting the tension on the piano’s strings, which can impact the overall mechanical health of the instrument. Consistent tension helps in preventing undue stress on the soundboard and bridges, which can lead to unwanted noises.

It’s recommended to have your piano tuned at least twice a year. However, for pianos in high-use or fluctuating environments, more frequent tuning may be necessary. A professional tuner can also spot potential issues during tuning sessions, such as loose pins or worn hammers, which can contribute to unusual sounds.

Environmental Factors

Pianos are sensitive to changes in humidity and temperature. Excessive dryness can cause wood to crack, while too much moisture can lead to swelling and sticking keys. Aim to keep your piano in an environment with stable temperature and humidity levels, ideally around 40-50% relative humidity. A

Avoid placing your piano near windows, doors, or vents where it can be exposed to direct sunlight, drafts, or heat sources. In areas with extreme climates, using a humidifier or dehumidifier can help maintain a stable environment for your piano.

Routine Cleaning and Care

Dust and debris can accumulate on and inside your piano, potentially causing mechanical issues. Regular dusting of the keys, strings, and internal components can prevent this. Use a soft, dry cloth for cleaning.

Avoid using harsh chemicals or sprays, as these can damage the piano’s finish and internal parts. Occasionally, it might be necessary to have a professional clean the inside of the piano, especially for hard-to-reach areas like the soundboard and action.

Long-Term Care

Have a professional technician inspect your piano periodically. They can identify and address issues that might not be immediately apparent to the untrained eye.

Beyond tuning, the piano’s action may require voicing and regulation to ensure that the keys and hammers are functioning optimally, which also affects the sound quality and playability.


Understanding and caring for your piano is a rewarding journey. By paying attention to the small details, like the occasional squeak or creak, you can ensure your piano remains in great shape, providing beautiful music for years to come. Remember, a well-maintained piano doesn’t just sound better; it also tells a story of dedication and love for the art of music.