A garage door is the noisiest thing in the house, and the noise tells you what is wrong. A squeak means dry metal. A grind means worn rollers. A bang means something loose — or a spring about to break. Most noisy doors are fixed with lubricant and a wrench; the rest need a professional, and the difference matters.
Squeaking is dry rollers or hinges. Grinding is worn rollers — the bearings are gone and metal grinds on metal. Rattling is loose hardware: the nuts and bolts on the track brackets work loose over years of vibration. Banging is a loose track, a broken spring, or a door that jumped its track. And a single loud bang followed by a door that will not move is a broken spring — stop and call a professional.
Find the noise. Open and close the door slowly and listen at each part: the rollers, the hinges, the springs, the track. A noise that follows the door up and down is in the moving parts; a noise at one height is in the track.
Lubricate. Spray silicone lubricant on the rollers, the hinges, and the springs — not on the tracks, which need to stay clean for the rollers to roll. The garage door lubrication guide covers what to use and what to skip.
Tighten the hardware. With the door closed and the opener unplugged, tighten the nuts and bolts on the track brackets and the hinges. Do not overtighten — a stripped bolt is worse than a loose one. Do not touch the spring hardware.
Check the rollers. Look for rollers that are cracked, flat-spotted, or wobbling in the track. Worn rollers grind and rattle — replace them with nylon rollers, which run quieter than steel. Replace them one at a time so the door never hangs on one roller.
Check the track. Look for a bent track or a track that is loose from the wall. A slightly bent track can be straightened gently with a rubber mallet; a badly bent track needs replacing, and a door that jumped its track needs a professional to reset it.
Test it. Plug the opener back in and open and close the door. Listen again: a quiet door is a fixed door. If the noise survives lubrication, tightening, and new rollers, the cause is the spring or the opener — both are professional jobs. A door that will not close at all has its own diagnosis — the garage door won't close guide covers it, and the garage door remote programming guide covers the remote when that is the problem.
A broken spring, a snapped cable, a bent track, or a door off its track — all four need a professional. Springs and cables store enough energy to kill: never adjust, remove, or replace a spring or a cable yourself. The monthly auto-reverse test still applies — a door that does not reverse on contact is a safety failure, and the opener needs service.
Lubricate twice a year, inspect the hardware yearly, and listen every time the door runs. A door that gets louder over weeks is telling you something is wearing out — fix it while it is still a roller, not after it becomes a track.
Usually dry rollers or hinges, loose hardware, or worn rollers. Lubricate first, tighten second, and replace the rollers if the noise survives both.
Silicone spray or white lithium grease on the rollers, hinges, and springs. Never use WD-40 as a lubricant — it is a solvent, not a lubricant, and it dries out. Never lubricate the tracks.
Yes, one at a time, with the door closed and the opener unplugged. Never remove more than one roller at once — the door hangs on the rollers, and a door with no rollers falls.
Usually a loose track, a worn roller that drops into a flat spot, or a spring that is failing. If the bang comes with a door that will not move, the spring broke — call a professional.