2026-04-28 7 min read
Every time your garage door opens or closes, the springs do the heavy lifting. Literally. A standard residential garage door weighs between 150 and 250 pounds, and the torsion spring above the door. or the pair of extension springs running along the sides. counterbalances almost all of that weight so the opener motor doesn't have to strain. That means springs are under enormous tension every single day. In Mount Holly, where summer humidity causes metal to corrode and winter cold snaps make steel more brittle, springs wear out faster than homeowners expect. Knowing the warning signs before one breaks can save you from a dangerous situation and a repair bill that comes at the worst possible time.
Mount Holly's weather pattern is genuinely tough on garage door hardware. Summers are hot and muggy. the kind of humidity that settles into the Catawba River valley and doesn't let up for weeks. That sustained moisture accelerates surface rust on torsion spring coils. Then winter brings temperature swings that cause metal to expand and contract repeatedly, which gradually weakens the steel at its stress points. Homeowners in neighborhoods like Oakdale North and Mountain Island Lake with attached garages see this more than they'd expect, because attached garages trap heat and humidity differently than detached structures.
Over in Gastonia and Belmont, garage door companies see the same seasonal patterns. spring failures tick up sharply in late winter and early summer, right when the temperature swings are most dramatic. Mount Holly is no different.
This is the most telling sign homeowners miss, because the opener usually compensates. right up until it can't. Try this: disconnect the opener using the red emergency release cord, then manually lift the door about halfway and let go. A properly balanced door with functional springs should stay in place with minimal drift. If the door falls closed quickly or feels like you're lifting the full weight of the door, the springs are losing tension. They haven't snapped yet, but they're on their way out.
Modern garage door openers have a built-in load sensor designed to stop the motor if it detects excess resistance. this is a safety feature meant to prevent the door from crushing something in its path. But a weakening spring creates artificial resistance, and the opener interprets that as an obstruction. If your door opens six or eight inches and then reverses or stops, don't assume the sensor is just dirty. Check the springs. This symptom often appears before a full spring failure.
With torsion springs. the horizontal spring mounted above the door on a metal shaft. you can actually see a break when it happens. A snapped torsion spring develops a clear gap in the coil, usually an inch or more wide. If you look up at your spring and see a separation in the coils, the spring is broken and the door should not be operated. This is one situation where you call a professional immediately rather than trying to diagnose further. Contact us directly if you see this. it's not a wait-and-see issue.
Many homeowners describe hearing what sounds like a gunshot or a car backfire from inside the garage. That's a torsion spring letting go under full tension. The energy released when a spring snaps is significant. it's not subtle. If you hear that sound and your door won't open afterward (or opens crooked), you've had a spring failure. Don't attempt to operate the door, and don't try to manually force it open. Springs under tension that have partially failed can still snap and cause serious injury.
If your door opens or closes at an angle. one side rising faster than the other. that's a sign one spring has more tension than the other, or one spring has already partially failed. This is common with extension spring systems, where each side of the door has its own spring. Uneven movement puts serious strain on the cables and the opener, so catching this early prevents a cascade of damage. Our post on cable repair warning signs covers what to watch for once spring problems start affecting the cables.
Springs shouldn't make noise during normal operation. A well-lubricated torsion spring runs silently. If you're hearing squeaking, grinding, or metallic creaking during door travel, that's often a sign the spring coils are developing rust or the spring is beginning to bind. In Mount Holly's humid summers, this symptom can develop quickly if the springs haven't been lubricated in a year or more. Catch it at the squeaking stage and you may be able to extend spring life significantly with proper lubrication and a professional inspection.
Most residential torsion springs are rated for 10,000 cycles. A cycle is one open-close sequence. If your family uses the garage door four times a day. which is common for households where adults and kids each use the garage. that's roughly 1,460 cycles per year. At that rate, a standard spring lasts about seven years. Higher-cycle springs (rated at 25,000 or 50,000 cycles) are available and worth asking about if you're replacing springs, since the labor cost is largely the same regardless of spring quality.
In Mount Holly's climate, corrosion can shorten spring life noticeably. particularly for doors that face north or are partially shaded and stay damp longer after rain. Annual lubrication with a silicone-based lubricant (not WD-40) helps, but it doesn't eliminate the cycle countdown.
This is worth being direct about. Garage door springs store an enormous amount of mechanical energy. enough to cause severe lacerations, broken bones, or worse if they release unexpectedly during handling. Professional technicians use winding bars, locking pliers, and a specific sequence of steps to safely release and replace spring tension. Without those tools and that training, the margin for error is too small. Garage Door Mount Holly's technicians handle spring replacements regularly and carry the right equipment to do it safely and correctly.
If you're seeing any of the signs above, take a look at our full services overview and reach out before the spring fails completely. A failing spring that gets replaced proactively is a straightforward job. A door that's crashed because a spring snapped mid-travel can also damage panels, cables, the opener, and anything parked underneath. making what would have been a simple repair into a much larger one.
Q: Can I still use my garage door if I think the spring is weakening? A: You can. with caution. if the door still opens and closes fully and the opener isn't straining. But don't delay getting it inspected. A spring that's near failure can snap at any time, and if it goes while the door is in motion, the door can drop suddenly. If the door feels heavy or moves unevenly, stop using the opener and call a professional.
Q: Should I replace both springs at the same time even if only one is broken? A: Yes, almost always. If one spring has reached the end of its life, the other is typically at the same point. Replacing only the broken one means you'll likely be calling for service again within months when the second one goes. Replacing both at once saves on labor and gets you a matched, balanced system.
Q: What's the difference between torsion springs and extension springs, and does it matter for Mount Holly homes? A: Torsion springs mount horizontally above the door and wind/unwind to lift it. Extension springs run along the horizontal tracks on each side and stretch to counterbalance the door's weight. Most newer homes in Mount Holly use torsion spring systems, which are generally more durable and safer. Older homes. particularly those built before the mid-1990s. may still have extension springs. Either type can fail, but extension spring failures can be more unpredictable if the safety cables on those springs aren't installed correctly.