Piano Problems You Shouldn't Try to Fix Yourself

Published: 9/30/2026 12:44:57 AM   Clicked: 7

There's no shortage of DIY piano repair tutorials online, and some simple issues really can be handled yourself — wiping down the keys, tightening a loose external screw. But a few categories of problems tend to turn into bigger repairs if you attempt them without training.

The first is faults inside the action itself, such as sluggish key return or poor note repetition. These usually involve several interconnected parts, and if the reassembly order or angle is off, it can throw off the feel of an entire row of keys — recalibrating afterwards can end up costing more than the original repair would have. The second is a broken or loose string: a single piano string can be under roughly 70 to 90 kilograms of tension, so handling it incorrectly carries a real risk of injury, and cutting or winding a new one requires specialised tools.

The third is damage to the linkages or springs deep inside the pedal mechanism — a cramped, precisely fitted space where it's easy to lose small parts or reassemble them in the wrong order. The general rule of thumb: if a problem can be solved without opening up the internal structure, it's fine to try yourself; but once the action, strings, or the inside of the pedal mechanism are involved, it's worth leaving to a professional technician.