2026-04-06 6 min read
There's a sound Sebring homeowners occasionally wake up to. a sharp bang from the garage, like a firecracker going off inside the house. More often than not, that's a garage door spring failing under tension. By morning, the door won't budge. The opener hums, strains, and gives up. The car is stuck.
It's one of the most common garage door problems we see across Highlands County, and it's almost always preventable with a little awareness. Here's what you need to know before a spring failure turns your morning into a headache.
Your garage door is heavy. typically 150 to 300 pounds for a standard residential door. The springs are what make it feel light. They act as a counterbalance system, storing and releasing mechanical energy each time the door moves. Without functioning springs, that full weight transfers directly to the opener motor, which isn't designed to handle it alone.
There are two types of spring systems you'll find in Sebring homes:
- Torsion springs. Mounted horizontally above the door opening on a metal shaft. These are the more durable, modern standard and are common in newer builds across Sun 'N Lake, Golf Hammock, and the newer subdivisions going up near Cougar Boulevard. - Extension springs. Mounted on both sides of the door along the horizontal tracks. These are more common in older homes and garages with limited overhead space. They're generally less durable and require safety cables to prevent injury if they snap.
Both systems are rated by cycle life. one cycle equals one open and one close. A standard torsion spring is rated for roughly 10,000 cycles, which translates to about 7 to 10 years for a household using the door two to four times a day. If your garage door doubles as your main entry point. which is the case for most Sebring families. you burn through cycles faster than that estimate suggests.
Here's what's working against your springs specifically in central Florida: moisture and heat accelerate metal fatigue. Sebring's summers push humidity to 80 percent or higher, and that moisture works its way into the tight coils of your springs. Over time, rust forms. A rusty spring is more brittle, less flexible, and more prone to snapping. even if it hasn't hit its rated cycle count yet.
This is especially relevant for older homes in established Sebring neighborhoods and nearby towns like Frostproof and Wauchula, where garage doors may not have been replaced or serviced in a decade or more. Age plus Florida humidity is a bad combination for spring longevity.
For context on how corrosion affects other garage door hardware beyond just the springs, take a look at our post on how Sebring's humidity affects your garage door.
Springs rarely fail with zero warning. If you know what to look for, you can usually catch problems before the door stops working entirely.
Disconnect your opener and try lifting the door manually to about waist height. Let go. A balanced door with healthy springs will stay in place. If it falls quickly or rises on its own, the springs are out of balance or weakening. This is one of the most reliable tests you can do yourself.
If the opener sounds like it's laboring, hums without fully lifting the door, or quits halfway up, it's often compensating for a failing spring. Left uncorrected, this will eventually burn out the motor.
A broken torsion spring will show a visible gap. a separation in the coil where it snapped. You can see this with a flashlight aimed at the spring above your door. A gap means the spring is completely failed and the door should not be operated until it's replaced.
A spring that looks rusty or appears stretched (elongated, with coils spaced further apart than they should be) has lost tension and is close to failure. This is a good time to schedule a professional service call before it snaps at an inconvenient moment.
Some noise from a garage door is normal. But sudden new sounds. especially grinding or a pronounced pop when the door moves. often mean a component is under abnormal stress. Springs that are dry or beginning to corrode tend to make these sounds before they fail.
This point is worth being direct about: garage door spring replacement is not a DIY job. The springs in your door system store significant mechanical energy. When released improperly, that energy releases violently. A snapping spring can cause serious injury. broken bones, lacerations, or worse. Specialized winding bars and tension gauges are required to safely remove and install springs. General hardware store tools don't cut it.
Beyond the injury risk, installing the wrong spring size. even slightly off. creates an imbalanced door that wears out rollers, cables, and the opener far ahead of schedule. Getting the spring specs right requires knowing the exact weight of your door, which varies by material, size, and insulation.
Leave this one to a trained technician. You can learn more about what our team handles on the services page.
The balance test described above. disconnect the opener, lift to waist height, let go. is something any homeowner can safely do in about 60 seconds. It tells you a lot about the current health of your spring system without putting you near the springs themselves.
Beyond that, visual inspections once a month take less than two minutes. Look at the spring above your door with a flashlight. Check for rust, gaps, or coils that look uneven. If anything looks off, don't wait for a full failure. proactive replacement is almost always less expensive and less disruptive than an emergency call.
Sebring Garage Doors serves homeowners throughout the area, including communities in Avon Park, Lake Wales, and beyond. If you're not sure whether your springs are still in safe working order, check the FAQ page for common spring-related questions, or get in touch and we'll take a look.
And if your door is having trouble opening correctly but you're not sure whether it's a spring issue or something else. like a limit switch problem. our post on limit switch adjustment can help you rule out one common cause before calling for service.
Torsion springs are the thick, horizontal coil mounted above the center of your garage door opening. you'll see it running along a metal bar. Extension springs are thinner and run along the sides of the door, parallel to the horizontal tracks. Torsion springs are more common in homes built or renovated in the last 15,20 years. If you have extension springs and they're more than a decade old, it's worth having them inspected.
Yes. nearly every professional recommends replacing both springs at the same time. Springs are installed together and wear at the same rate, so if one has failed, the other is likely close behind. Replacing only the broken spring leaves you with one new and one old spring, which creates an imbalanced door and means you'll be calling for service again within months.
No. Stop using the door immediately. A loud snap almost always means a spring has broken. Operating a door with a failed spring puts extreme strain on the opener motor and cables, and the door can fall or behave unpredictably. Disconnect the opener and call a technician before using the door again.