2026-04-09 7 min read
If you've ever walked into your garage and heard a loud bang. like a gunshot from inside the walls. there's a good chance a garage door spring just let go. It's one of the most startling things that can happen in a home, and it happens to South Yarmouth homeowners more often than you'd think. Between the damp salt air blowing in off Nantucket Sound, the freeze-thaw cycles every winter, and the sheer number of daily cycles on a door that serves as the main entry point for most households, springs here work hard and wear out faster than many people expect.
Your garage door weighs somewhere between 150 and 400 pounds. The springs. not the opener. are what actually do the heavy lifting. The opener is just the trigger. There are two main types:
Torsion springs mount horizontally above the door opening and twist to store energy. Most modern homes in South Yarmouth and the surrounding area use these. They're more controlled and generally safer when they break.
Extension springs run along the sides of the tracks and stretch outward as the door closes. You'll find these in older ranch-style homes. which are plentiful in neighborhoods like Captain's Hill and Par Three Estates. and in garages with lower ceiling clearance. If your extension springs don't have safety cables threaded through them, that's a hazard worth addressing sooner rather than later.
Springs rarely fail without some warning. Here's what to watch for before you get stuck with a door that won't move:
- The door feels unusually heavy. Try disconnecting the opener and lifting the door manually. It should glide up with light effort. If it feels like you're lifting dead weight, the springs are losing tension. - The door opens only a few inches, then stops. This is classic spring failure behavior. the opener tries, hits the resistance, and the safety mechanism kicks in. - Visible gap in the spring. Torsion springs sometimes snap with a clean separation you can see from the garage floor. If there's a gap in the coil, the spring is done. - Uneven movement. If one side of the door rises faster than the other, or the door looks tilted while moving, a spring on one side may have lost tension. - Loud snapping or banging sounds. This usually means the spring has already broken. The bang is the stored tension releasing all at once.
Standard springs are rated for roughly 10,000 cycles. one cycle being the door going up and back down once. If you use your garage door four times a day, that's about 1,460 cycles per year, meaning a standard spring could wear out in roughly seven years. Higher-cycle springs rated for 25,000 cycles or more are available and worth the upgrade, especially given Cape Cod's humidity, which accelerates metal fatigue.
In Massachusetts, replacing a broken spring typically runs between $150 and $400 depending on the spring type, size, and whether one or both need to be replaced. It's almost always smarter to replace both springs at the same time. if one has failed, the other has the same wear history and will likely follow within months. You'll pay a bit more upfront but save on a second service call before the summer season hits.
If your door also needs cable repair at the same time. which is common, since cables and springs work together and wear at similar rates. factor that into your budget as well.
This is one of those repairs where the honest answer is: don't do it yourself unless you have specific training. Garage door springs are under extreme tension. enough force to cause serious injury or death if the spring releases unexpectedly during the repair process. Professional technicians carry specialized winding bars and tools designed specifically for this job. The $150,$400 repair cost is genuinely worth it for your safety.
There's no shortage of tutorial videos online, and some of them make it look straightforward. It isn't. The risk isn't in the technique. it's in what happens if something goes wrong mid-process.
South Yarmouth sits right along Nantucket Sound, and the combination of salt air, humidity, and temperature swings puts extra stress on metal components. If your springs are showing surface rust or visible corrosion, that's a sign they're degrading faster than the cycle count alone would suggest. Homeowners in waterfront areas. Gateway Isles, Bass River, and the neighborhoods along South Shore Road. tend to see accelerated wear compared to homes further inland toward the Mid-Cape Highway.
Winter is the peak season for spring failures on Cape Cod. Cold temperatures cause metal to contract, which increases stress on already-fatigued coils. If your springs are more than six or seven years old and you haven't had them inspected, getting ahead of it before next November is a smart move. Our seasonal maintenance post covers what else to check while you're at it.
If a spring breaks while your car is inside the garage, don't panic. You can manually release the opener using the red emergency cord and carefully lift the door by hand. but get help, because the door will be heavy without functioning springs. If the door is stuck closed and you can't safely open it manually, call a technician rather than forcing it. Forcing a door with a broken spring can pull cables off their drums and turn a $300 repair into a much larger one.
For anything that feels urgent or unsafe, reach out to us directly. we serve South Yarmouth and the surrounding Cape Cod communities including Hyannis, Dennis, and Harwich.
Q: Can I still use my garage door opener if a spring is broken? Technically the opener may try to run, but you shouldn't use it. Operating an opener with a broken spring puts enormous strain on the motor and drive system, and can cause additional damage. Disconnect the opener and leave the door alone until the spring is replaced.
Q: Should I replace one spring or both at the same time? Both, almost always. Springs are installed at the same time and wear at the same rate. If one has broken, the other is close behind. Replacing both during a single service call costs less than two separate visits and saves you from getting stuck again in a few months.
Q: How long does a spring replacement take? For a professional, a standard torsion spring replacement typically takes 45 minutes to an hour. If cables or other hardware also need attention, it may run a bit longer. Most shops. including Garage Door South Yarmouth. carry common spring sizes on the truck and can complete the job in a single visit.