A garage door should make one noise: a low, even hum as it travels. Anything else is a symptom. The useful thing about garage door noise is that the sound tells you roughly which component has had enough, which means you can often work out whether this is a ten-minute job or a call to a technician.
Match the sound to the part
Squealing or screeching
Almost always dry rollers, hinges or bearings. Steel rollers with exposed bearings are the usual culprits, especially after a Maryland winter where salt and damp have got into them. This is the most fixable noise on the list.
Grinding
Metal is running on metal somewhere it should not be. Check whether a roller has come out of its track, whether the track is bent, or whether the opener's drive gear has stripped. If the grinding comes from the motor housing rather than the door, you are looking at opener repair.
Rattling
Loose hardware. Doors cycle thousands of times a year and nuts back off. Rattling is the cheapest noise to cure and the one most likely to turn into something expensive if ignored, because loose hardware lets the door rack out of square.
Popping or banging while moving
Sections binding against each other, usually because the door is out of alignment or a hinge has cracked. Worth a proper look.
A single loud bang, then silence
Stop. That is a torsion spring letting go, and it is not a DIY job. The door is now held up by nothing but the opener. See garage door spring repair.
What you can safely do yourself
- Tighten the hardware. With the door closed and the opener unplugged, go around the hinges, roller brackets and track bolts with a socket set. Snug, not gorilla-tight.
- Lubricate properly. Use a garage door lubricant or white lithium grease on hinges, roller bearings, springs and the opener rail. Do not use WD-40 as a lubricant, it is a solvent and it will strip what is left of the existing grease.
- Clean the tracks. Wipe them out with a rag. Do not grease the inside of the track, rollers are meant to roll, not slide.
- Check the rollers. Cracked nylon, flat spots, or a roller that will not spin by hand all mean replacement.
Where the line is
Do not touch the torsion springs above the door, the cables on the drums, or the bottom brackets. Those three carry the full weight of the door under tension and they are responsible for most serious garage door injuries.
If the noise is still there after tightening and lubricating, or if the door is also moving unevenly, book a garage door tune-up. It is the cheapest visit we sell and it is usually a full service rather than a diagnosis.
Quiet it for good
Two upgrades make the biggest difference: nylon rollers with sealed bearings instead of bare steel, and a belt-drive or wall-mount opener instead of a chain drive. If your garage sits under a bedroom, that combination is transformative. See opener installation for options.