2026-04-12 7 min read
If you've ever heard a loud bang from your garage. like a gunshot going off inside. there's a good chance a spring just let go. It's one of the most common calls we get here in West Harwich, and it almost always happens at the worst possible time: early morning, middle of a workday, or right before a holiday weekend on the Cape.
Garage door springs are the unsung workhorses of your whole system. Most homeowners never think about them until they fail. But on the Lower Cape, they tend to wear out faster than the national average. and understanding why can save you a lot of frustration.
West Harwich sits right along Nantucket Sound, and that coastal environment is genuinely hard on metal hardware. The combination of salt air, humidity, and wide seasonal temperature swings. from below-freezing winters to humid summers. accelerates the kind of metal fatigue that shortens spring life.
Salt air in particular is a silent enemy. It doesn't just cause surface rust; it works into the coil structure of the spring and compromises its strength from the inside out. If you've already read our post on how salt air damages your garage door, you know this isn't just cosmetic. it's structural.
Torsion springs (the horizontal coil mounted above your door) and extension springs (the ones that run along the sides of the tracks) are both vulnerable. Torsion springs are more common on newer homes in West Harwich and the surrounding Dennis and Yarmouth area, while older beach cottages and seasonal properties often still have extension spring setups.
Standard springs are rated for roughly 10,000 open-and-close cycles. For a household that uses the garage as its main entry point. which is most of us. that works out to somewhere between 7 and 12 years. But on the coast, rust and corrosion can shave years off that lifespan well before the cycle count runs out.
The good news is that most springs give you warning before they completely snap. Here's what to look for:
Unplug your opener and try lifting the door manually. A properly balanced door should glide up smoothly and stay put at about waist height. If it feels like you're lifting dead weight, the springs are losing tension. This puts serious strain on your opener motor and can burn it out prematurely.
Take a close look at your springs. from a safe distance, without touching them. Orange or brown rust on the coils is a clear warning sign that the metal has been weakened by moisture exposure. A visible gap of even an inch or two in the coil means the spring has already snapped and the door should not be operated at all.
Noise changes are often the first hint that something's wrong. A spring under stress will often creak or pop as it winds and unwinds. Don't confuse this with a door that just needs lubrication. though regular seasonal maintenance does help extend spring life considerably.
If one side of your door rises faster than the other, or the door looks crooked as it moves, a spring may be failing on one side. This is especially common with extension spring systems, where each side operates independently.
If you hear the motor activate but the door doesn't budge, that's a classic symptom of a broken spring. The opener isn't designed to lift the full dead weight of the door. that's the spring's job.
Torsion springs sit on a steel shaft directly above the garage opening. They store energy as the door closes and release it in a controlled, even motion when opening. They're more common on newer construction and heavier doors, and they tend to last longer and operate more smoothly.
Extension springs run parallel to the horizontal tracks on each side. They stretch and contract as the door moves. If you own an older Cape Cod-style home or a detached garage that was built decades ago, odds are you have extension springs. They're not inferior. just a different system, and they do require safety cables to prevent dangerous whipping if one snaps.
Honestly? No. This is one of those repairs where we strongly recommend calling a professional. Springs are under enormous tension. enough to cause serious injury if mishandled. Even disconnecting and reinstalling them requires specialized tools and the right technique. The risk simply isn't worth it.
If you've got a broken spring, stop using the door immediately. Disconnect the opener if you need to manually access the garage, but don't try to force the door open or closed. Then reach out to us to get it handled safely and quickly.
If your door has two springs and one breaks, it's almost always smart to replace both at the same time. Both springs were installed together and have the same number of cycles on them. so if one has worn out, the other isn't far behind. Doing both at once saves you a second service call and keeps your door balanced.
For homeowners in West Harwich who want to get the most out of their replacement, ask about high-cycle springs. These are rated for significantly more cycles than standard springs. often 20,000 or more. and they're worth the modest upgrade cost, especially in our coastal environment where corrosion is always a factor.
Once a year is a reasonable minimum for most households. If your garage door gets heavy use. or if your home sits close to the water, like many properties along the Nantucket Sound side of West Harwich. twice a year makes more sense. A quick visual check every few months costs you nothing and can catch problems before they become emergencies.
For a full picture of what a proper spring inspection covers, check out our services page to understand what Garage Door West Harwich includes with every maintenance visit.
Q: How much does garage door spring replacement cost in West Harwich? A: Costs vary depending on the type of spring (torsion or extension), whether you're replacing one or both, and whether you opt for standard or high-cycle springs. In general, homeowners in the Harwich area can expect to pay more for high-cycle or rust-resistant springs. but the longer lifespan makes it worth it in a coastal environment.
Q: Can I still use my garage door if a spring is broken? A: You should not. A broken spring means the door is essentially dead weight, and operating it can damage your opener motor, bend the tracks, or cause the door to fall unexpectedly. Disconnect the opener and call for service.
Q: How do I know if I have torsion or extension springs? A: Stand inside your garage and look at the door hardware. If you see a single horizontal coil mounted above the door opening on a metal shaft, that's a torsion spring. If you see springs running along the tracks on each side of the door, those are extension springs.