Garage door is loud, grinding, or squealing

Q: Garage door is loud, grinding, or squealing

In Canada, a garage door that squeals or grinds is most often just dry — rollers, hinges, and springs that need lubricant are the number-one cause, and a proper garage-door lube (not WD-40, which is a solvent) fixes it in minutes. Rattling usually means hardware has vibrated loose; grinding or clicking from the motor points to the opener; a worn roller or hinge can grind on its own. But a loud BANG followed by a door that suddenly feels very heavy or won't move can mean a broken torsion spring — that spring is under extreme tension, so never try to adjust or replace it yourself. Call a garage-door pro.

Most garage-door noise is annoying, not dangerous — a dry door that squeals usually just wants a few minutes with the right lubricant. The one exception to know is a sudden loud BANG, which we'll flag for you.

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In Canada, start with lubrication — dry rollers, hinges, and springs are the number-one cause of squeaks and grinding, especially after a cold, dry winter. Wipe the tracks clean and apply a garage-door lubricant (silicone or lithium spray) to the rollers, hinges, bearings, and springs. Do not use WD-40 — it's a solvent that strips lubricant and attracts grit. Run the door a few times; the noise usually vanishes.

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handymanHow to fix it

Wipe the tracks clean, then apply a garage-door lubricant (silicone or white lithium spray) to the rollers, hinges, bearing plates, and springs. Never use WD-40 — it is a solvent that strips lubricant and attracts grit. Run the door a few times to work it in.

Close the door. Wipe the inside of both tracks with a dry cloth to remove old grease and grit — the tracks guide the rollers and should stay clean, not oiled.
Spray a purpose-made garage-door lubricant onto each roller (where it meets its stem), each hinge pivot, and the bearing plates at the ends of the spring shaft. A little goes a long way; wipe drips.
Lightly coat the torsion spring itself along its length so the coils slide quietly — you can lubricate the spring without ever adjusting or loosening it.
Run the door up and down three or four times to spread the lubricant and let excess fling off. The squeal should be gone; if grinding remains, suspect worn rollers or the opener.

schedule15 min savings$10–20

Garage-door lubricant (silicone or white lithium spray)A spray made for garage doors — not WD-40, not general oil. Home Depot Canada, Canadian Tire, or Rona carry it

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Lubricating a garage door is routine homeowner maintenance in every province; no permit or licence applies. The line that keeps homeowners off the torsion spring and cables is a safety limit, not a legal one.

handymanHow to fix it

Find the rattling bolts and brackets and snug them with a socket or wrench — hinges, track brackets, and the bolts holding the track to the wall. Firm, not forced; overtightening strips the threads or dimples the door.

With the door closed, run a hand (carefully) or your eye along the hinges and brackets while a helper works the door slowly, to spot which fasteners are loose and rattling.
Using a socket or wrench, snug the nuts and lag bolts on the hinges and on the brackets that fix the track to the wall and ceiling. Tighten to firm — stop as soon as it's solid.
Do NOT loosen or adjust the bottom roller brackets, the cable drums, or anything on the spring shaft — those carry spring tension. If the rattle is there, call a technician.

schedule20 min savings$0–10

gavel Vérifiez d’abord votre province AB: permis au propriétaire · BC: permis au propriétaire · ON: permis au propriétaire · PE: permis au propriétaire · QC: permis au propriétaire
Tightening garage-door hardware is unregulated homeowner maintenance across Canada. Spring, cable, and cable-drum work is not restricted by licence in most provinces but is a safety no-go for homeowners regardless — hand it to a garage-door technician.

visibilityHow to check

warning Leave the bottom bracket and cables aloneYou can safely inspect and replace the rollers and hinges along the middle and top of the door. But the bottom roller bracket on each side is bolted to the lift cables, which are under the same extreme tension as the torsion spring. Never loosen the bottom bracket or the cable while the spring is wound — the release can injure you badly. If a bottom roller is the problem, that one is a job for a garage-door technician.

With the door closed, look along the rollers as the door sits. Nylon rollers should be round and smooth; flat spots, cracks, or chips mean wear. Steel rollers should spin freely by hand — a roller that won't turn or grinds is worn.
Check the hinges for play: gently try to wiggle each hinge. Sloppy movement, elongated bolt holes, or bright metal filings around a hinge point to a worn hinge.
Run the door and watch which point makes the grinding or wobble. A single bad roller or hinge often reveals itself as the noisy spot. Replace worn rollers and hinges one at a time so the door stays supported — but do NOT touch the bottom roller bracket (see the gate below).

buildAucun outil schedule10 min

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The torsion spring above the door stores enough energy to lift a 70 kg door — and enough to break bones or worse if it lets go while you handle it. Adjusting, loosening, or replacing it (or the cables and cable drums it drives) requires winding bars and training, and is a leading cause of serious garage-door injuries. If a spring or cable has failed, or you suspect one, stop using the door and call a garage-door professional. This is genuinely never a homeowner job.

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Nous ne classons pas seulement selon la probabilité. Nous classons comme le ferait un bon artisan honnête : éliminer d’abord les causes gratuites, sûres et courantes. C’est pourquoi les vérifications peu coûteuses passent avant les réparations chères — et pourquoi tout ce qui est dangereux reçoit un arrêt net plutôt qu’un encouragement. Cet ordre existe pour vous faire économiser, pas pour vous vendre quelque chose.