Tremolo Spring Rattle: How to Silence It

Why Tremolo Springs Ring and Buzz

Tremolo springs are metal coils stretched between the tremolo block and the claw in the back cavity. When you play a note, the strings vibrate and the bridge transfers that vibration into the body. As described in Martin's wood guide, the bridge is important because it helps transfer string vibration into the guitar's top. On an electric with a tremolo, some of that energy reaches the springs, causing them to resonate at their natural frequency.

The body cavity acts like a resonant chamber, amplifying the spring's ring. The body size and shape directly impacts the guitar's volume and tone, as noted by Martin, and a larger cavity can make the rattle more audible. The rattle is often more noticeable with distortion or at higher volumes, because the amplified sound excites the springs further. Even acoustic guitars with tremolos, though rare, can exhibit a similar metallic buzz from the springs.

The type of strings you use can also influence the vibration energy. As Martin's string guide points out, strings are the first point of contact between your hands and the guitar's voice, and the material and gauge affect how much vibration is transferred to the body. Higher-gauge strings with more tension may excite the springs more strongly.

• A metallic ring after playing a note
• A buzz when you press the tremolo arm
• A rattle when you move the guitar

Damp the Springs

The quickest fix is to add damping material inside the spring cavity. A piece of foam, a sponge, or a strip of silicone tubing can be pushed between the springs and the cavity walls or between individual springs. This absorbs the vibration and stops the ringing without affecting tuning stability.

Make sure the foam is not so thick that it impedes the springs' movement. You want to damp the ring, not lock the springs in place. The springs need to move freely for the tremolo to function. If you don't have foam, a piece of felt or the rubber tip of a pencil can work as a temporary dampener. Just avoid materials that can flake or fall apart over time.

Place the dampener so it touches the springs but does not obstruct their travel. For a more permanent solution, you can buy foam specifically designed for this purpose from a guitar parts supplier, or use a length of aquarium tubing slit lengthwise and fitted over the spring.

• Remove the back cover of the tremolo cavity.
• Cut a small piece of foam or a length of silicone tubing.
• Tuck it among the springs, making contact without forcing them apart.
• Replace the cover and test while playing.

Adjust Spring Tension

The claw at the other end of the springs can be screwed in or out to change the tension. This affects how the tremolo arm feels and also changes the spring's resonance frequency. A slack spring may rattle more because it can move laterally. Tightening the claw increases the pull and can reduce slack, but it also makes the arm stiffer. Loosening may cause the springs to vibrate more freely. You want a balance that feels right and doesn't buzz.

Loosen the strings slightly before making large adjustments, and turn the claw screws in equal increments to keep the bridge level. After any change, retune and test. For a step-by-step walkthrough, see our guide on adjusting tremolo claw springs.

Inspect and Replace Springs

If damping and tension changes don't help, the springs themselves may be worn or damaged. Springs can lose their temper over time, develop micro-cracks, or have uneven ends that catch on the hook. Corrosion can also cause a buzz.

When replacing, use springs that match the original stiffness and length. The number of springs varies by guitar, so keep the same count you had. Before installing new ones, clean the claw hooks and the tremolo block with a dry cloth. After installation, set the tension as described above. For more on how springs affect your guitar, read our article on guitar tremolo springs.

Check the Whole Tremolo Assembly

Sometimes the rattle is not from the springs themselves but from a loose screw, a worn knife edge, or a poorly seated block. Inspect the tremolo arm, the claw screws, and the block that holds the strings. A loose spring hook can produce a buzz that sounds like spring rattle.

Also make sure the back cover is snug. If the cover vibrates against the body, it can create a rattle that is mistaken for springs. Place a small piece of felt or foam under the cover if needed. Understanding how your bridge type works can help, so you might look at our comparison of tremolo systems.

Routine Care for the Tremolo Cavity

Preventive care reduces the chance of rattle returning. When you change strings, take a moment to wipe down the tremolo block, the claw, and the springs with a dry cloth. Moisture and grime can build up on the springs and alter their behavior. Check that the claw screws are tight and that the springs are seated on the hooks.

Also inspect the tremolo arm socket. A loose arm can rattle against the bushing, and that noise is easily mistaken for spring noise. Adding a small drop of lubricant to the arm pivot may help. Regular maintenance of the entire guitar, including action and intonation adjustments, keeps the whole system working smoothly; see our guide on guitar action and setup for more.

When to Get a Professional Setup

If you've tried damping, tension adjustment, and spring replacement and the rattle persists, a qualified guitar technician may be able to identify an issue that isn't obvious, such as a hairline crack in the block or a worn pivot point. They can also re-cut the knife edge or replace bushings if needed.

If you're buying a new guitar, consider how much tremolo maintenance you want to take on. Guitars with simpler hardtail bridges avoid spring rattle entirely. For buying suggestions, see our guides below.

What to pick for your use

Questions

Why do my tremolo springs ring when I play?

The springs resonate at their natural frequency when the body vibrates, especially at certain notes. The cavity amplifies the sound. Damping the springs or adjusting their tension changes the resonance and reduces the ring.

Can I use any foam to damp the springs?

Yes, any soft, non-resonant foam works. Open-cell foam may absorb dust, so closed-cell foam or silicone tubing are good alternatives. Avoid materials that can crumble or become sticky over time.

How tight should the tremolo springs be?

Tight enough to hold the bridge level and return to pitch, but not so tight that the arm feels stiff. Adjust in small increments and test. If the springs are too loose, they may rattle; too tight, the arm may be hard to move.

Do I need to remove the strings to adjust spring tension?

Not necessarily, but loosen the strings slightly to reduce tension on the bridge before turning the claw screws. Then retune afterward. This prevents the bridge from moving excessively during adjustment.

Will damping the springs affect tuning stability?

No, damping only absorbs vibration. It does not change the spring force or the geometry of the tremolo. As long as the dampener doesn't restrict spring movement, tuning stability is unaffected.

How often should I check the tremolo springs?

Every time you change strings is a good occasion. Wipe the springs and check for corrosion or damage. Also inspect the claw screws and the block. Regular checks can prevent minor issues from becoming larger problems.