2026-03-18 6 min read
Most Braintree homeowners have no idea what their garage door springs look like until one breaks. And when a spring breaks, it usually announces itself loudly. a sharp bang that sounds like a gunshot echoing through the garage, followed by a door that won't budge. At that point, you're calling for emergency service.
The good news is that failing springs usually give you warning signs well before they snap. If you know what to look for, you can schedule a replacement on your terms. not theirs.
Your garage door weighs anywhere from 130 to 350 pounds depending on the material and insulation. The springs are what make that weight manageable. They store and release mechanical energy with every open and close, counterbalancing the door's weight so the opener only has to do a fraction of the work. Without functioning springs, the opener would burn itself out trying to lift the door. and eventually it would.
There are two types of spring systems found in Braintree homes:
- Torsion springs. A single coil (or sometimes two) mounted horizontally above the door on a metal shaft. These are the standard on most modern attached garages in neighborhoods like the Braintree Highlands and newer construction near South Shore Plaza. - Extension springs. Pairs of springs running parallel to the horizontal tracks on each side of the door. These are more common in older homes and detached garages, including many of the Cape Cods and Colonial Revivals found throughout East Braintree.
Both systems work under extreme tension. That's what makes them effective. and what makes DIY replacement genuinely dangerous.
Springs are rated by cycles, not years. One cycle equals one full open and one full close. Most standard springs are rated for around 10,000 cycles. If your household uses the garage door four times a day. a realistic number for a family commuting to Boston via Route 3 or the Red Line. you're looking at roughly seven years of use before replacement becomes necessary. Heavier doors, more frequent use, or lack of lubrication can shorten that timeline considerably.
Extreme temperature swings also accelerate wear. Braintree's climate, with its hot, humid summers and cold winters, puts more stress on spring metal than a more moderate climate would. If your springs are approaching the seven-to-nine-year mark, it's worth having them inspected even if nothing feels wrong yet.
Don't wait for a complete break. These are the signals that something is off:
Disconnect your opener by pulling the red emergency cord, then try lifting the door manually to waist height. It should stay there without drifting up or down. If it feels like you're lifting dead weight, or if it slides back down when you let go, the springs are no longer doing their job. This is one of the most reliable early-warning tests you can do yourself.
If your opener hums, strains, or stalls before the door is fully open, it's compensating for failing springs. Openers are not designed to carry a door's full weight. Continued use in this condition will burn out the motor and strip gears. turning a spring replacement into a much more expensive repair. Our roller replacement guide also touches on how interconnected these components are, and how one failing part puts stress on everything else.
Take a look at your springs. For torsion springs. the horizontal coil above the door. look for a gap of two inches or more in the coil, which means it has snapped. Also look for rust or discoloration; a rusty spring is more brittle and far more prone to sudden failure. For extension springs along the side tracks, check whether the coils look stretched or whether either spring appears to be hanging loose. Visible damage means failure is likely coming soon.
If your door tilts to one side when opening or closing, one spring has probably failed while the other is still working. This puts lopsided strain on the cables and tracks and will damage those components if not corrected quickly.
If you've already heard the bang. stop using the door. A broken torsion spring releases significant stored energy all at once. The door may still partially open on the opener, but it's under uncontrolled stress. Operating the door in this condition risks further damage and potential injury.
This isn't the usual "call a pro" boilerplate. There's a specific reason spring replacement is dangerous: torsion springs are wound to a precise tension using winding bars, and if the bar slips, the spring can unwind violently. The industry sees serious injuries. broken fingers, facial injuries, worse. from homeowners attempting this without the right tools and training. A garage door without spring support can also drop suddenly, weighing as much as a small refrigerator.
This is worth paying a professional for. The security and safety considerations around garage doors go beyond locks and openers. mechanical safety matters just as much.
Almost always both. Springs on the same system experience the same wear. If one has failed, the other is likely close behind. Replacing both at the same time means they wear evenly going forward and you avoid a second service call a few months later. It's also more cost-effective. labor is the bigger part of the bill, and a technician is already there.
If you're thinking about upgrading, high-cycle springs (rated for 20,000+ cycles) are worth the modest price increase, especially for households with heavy daily use. Ask about options when you schedule your service appointment.
A standard spring replacement by Garage Door Company Braintree typically takes one to two hours. The technician will:
1. Release residual tension from the old springs safely 2. Remove and dispose of the old hardware 3. Install correctly rated replacement springs for your door's weight and size 4. Check cable condition and replace if worn 5. Test the door balance and opener force settings 6. Lubricate all moving components
You should also ask about the state of your cables while the technician is there. cables work in tandem with springs and often show wear at the same point in the door's life.
Q: How do I know if I have torsion or extension springs?
A: Look above the door when it's closed. If you see a single horizontal coil mounted on a metal shaft running across the width of the door, those are torsion springs. If you see two springs running parallel to the horizontal tracks on the left and right sides of the ceiling, those are extension springs. Extension springs are more common in older homes and detached garages.
Q: My garage door opens but makes a grinding noise and seems slow. Is that a spring problem?
A: It could be, but it's not always the springs. Slow, grinding operation is often a lubrication issue first. the rollers or tracks may need to be cleaned and re-lubricated with a silicone-based product. If the noise persists after lubrication, or if the door also feels heavy when lifted manually, then worn springs are a likely contributor. A professional inspection will identify the actual cause quickly. See our services page for what a full diagnostic includes.
Q: Can I drive my car out of the garage if a spring is broken?
A: It depends on your setup. If the opener can still partially lift the door and there's clearance for your vehicle, you technically can. but it puts enormous strain on the opener motor and risks further damage or the door dropping unexpectedly. The safer approach is to disconnect the opener, manually lift the door (have another person hold it while you drive out), then lower it and wait for the repair. Don't attempt this alone with a heavy door.