2026-03-20 6 min read
Most homeowners in Granby don't think about their garage door springs until they hear a loud bang from the garage. and then they think about nothing else. A broken spring is one of the most disruptive garage door failures there is: your door won't open, your car is stuck inside, and you're calling around for emergency service at 7 in the morning.
The good news is that springs almost always give warning before they snap. Knowing what to look for can save you from that scenario entirely.
Granby's mix of older Colonial and Cape Cod homes. many built between the 1960s and 1980s. means a lot of garage doors in town are working with original hardware or springs that haven't been replaced in years. Add in the temperature swings we deal with from January's sub-20°F lows through humid July heat, and you have conditions that accelerate spring wear faster than the national average.
Before getting into the warning signs, it helps to understand what springs do. They're the counterbalance system that makes a 150- to 300-pound garage door feel light when you lift it. Without functioning springs, your opener motor is doing all the heavy lifting. a job it's not built for. Most standard springs are rated for about 10,000 cycles, where one cycle equals one full open and close. If your household uses the garage door four times a day, that's roughly seven years of life under normal conditions. Heavier doors or more frequent use shortens that considerably.
For homeowners in the Hartford area commuting through Bloomfield or Windsor daily, a garage door that gets opened and closed six or more times a day will wear springs out significantly faster.
Disconnect your opener by pulling the red emergency cord, then try to lift the door manually to about waist height. A properly balanced door should stay put on its own. If it feels like you're lifting dead weight, or it drops back down the moment you let go, the springs are losing tension and no longer doing their job. This is one of the clearest and easiest tests you can run yourself.
A torsion spring breaking under full tension sounds like a gunshot or a car backfiring. If you hear that sound from your garage. especially overnight or early morning when temperatures are coldest. don't try to open the door. Stop using it entirely and call for service. The spring has snapped and the door is unsafe to operate.
Most residential garage doors use two springs. If one fails while the other continues working, the door will open crookedly. one side rising faster than the other, or the door looking visibly lopsided during operation. This uneven strain immediately starts damaging cables, rollers, and tracks as well, turning a spring repair into a more expensive multi-component fix if you let it go.
Look up at the torsion spring mounted above your garage door. A healthy spring is a tight, continuous coil. If you see a gap of an inch or more between coils, the spring has snapped and needs immediate replacement. Rust or significant discoloration is also a serious warning. a corroded spring is brittle and prone to sudden failure, particularly during the freeze-thaw cycles we get here in the Connecticut River Valley every spring and fall. Visit our FAQ page if you're unsure what type of spring your door uses.
Your garage door opener is designed to manage a balanced door, not carry the full weight of the door alone. If the opener hums, hesitates, or stops partway through opening the door, it may be compensating for springs that are no longer doing their share. Continued use in this state can burn out the motor entirely. adding opener replacement to your repair bill on top of the spring cost.
Springs also control the rate at which your door descends. A door that drops quickly or slams shut when closing has lost the resistance that worn springs should be providing. This is both a safety hazard and a sign that the springs have nearly reached the end of their life. If you have kids or pets who use the garage regularly, this one shouldn't wait.
If you recognize any of these signs, here's a straightforward approach:
Do: Stop using the door if you suspect a broken spring. Test balance by lifting manually. Look at the spring visually for gaps or rust. Contact a professional for an inspection before things get worse.
Don't: Attempt to adjust or replace springs yourself. The stored energy in a torsion spring is substantial, and an improperly handled spring can cause broken bones or worse. This is one of the few garage door repairs where DIY genuinely isn't worth the risk. even for handy homeowners.
When replacing springs, a good technician will replace both springs at the same time even if only one has broken. Springs age at the same rate, so if one has failed, the other is close behind. Replacing them together saves you a second service call within months.
Granby Garage Doors can assess whether your springs are approaching end of life or already there, and walk you through your options. including higher-cycle springs if you want longer intervals between replacements. Learn more about the communities we serve on our service areas page.
Q: How do I know if I have torsion springs or extension springs?
A: Torsion springs are the large, horizontal coil mounted directly above the garage door opening, along a metal rod. Extension springs run along the horizontal tracks on either side of the door and stretch when the door closes. Most homes built in Granby after the 1980s use torsion springs. Older homes may still have extension springs, which are identifiable by their position along the side tracks.
Q: Can I use the garage door if only one spring is broken?
A: No. Operating a door with a broken spring puts the full weight on your opener motor and cables, which can cause additional failures quickly. More importantly, a door without proper spring support can drop suddenly and without warning. Disconnect the opener and leave the door in the closed position until a technician can replace the springs.
Q: How much does spring replacement typically cost?
A: Spring replacement costs vary depending on the type of spring, the size and weight of your door, and whether you opt for standard or high-cycle springs. The best approach is to get a straightforward quote during a service visit so you know exactly what you're looking at before any work begins.