Most of the garage doors we get called out to fix in the Louisville area sit on houses built between 1958 and 2003, with the bulk of that stock going up in the 1980s and 90s. That matters because spring hardware from that era wasn't built to last forever, and a lot of it is still the original set, never swapped out. Torsion springs have a rated cycle life, usually somewhere around 10,000 open-and-close cycles, and a door that old has burned through that count more than once.
The complication isn't just age. It's that this housing wave happened across more than 30 named areas we cover, from Old Louisville a mile out to Buckner nineteen miles east, and the spring sizing, drum type, and mounting hardware isn't uniform across that spread. A double-car door on a house in Prospect might carry different torsion bar length and wind count than a single-car door in Shively. We don't guess at that on the phone. We measure the wire gauge, the coil length, and the drum size on site before we quote a spring.
Add in that this is a cold-moderate climate region, and steel spring wire contracts in winter, which changes tension slightly and can make a marginal spring fail on the coldest morning of the year instead of a mild one.
The classic sign is a door that won't stay up, or one that slams down instead of gliding. If you disconnect the opener and lift the door by hand and it feels like dead weight, or drops on its own the second you let go, that's a spring that's lost its tension or already snapped. A loud bang from the garage, usually mid-morning or evening when the temperature swings, is often a torsion spring letting go under stress.
On older torsion setups, common on houses from the 1958-2003 build wave, you'll sometimes see the spring gap open up, a visible split in the coil around the center bracket. On extension spring doors, which show up more on older single-car garages, the symptom is usually one side of the door hanging lower than the other because one spring has stretched or broken while the other hasn't yet.
Openers will often keep trying to force the door even after a spring goes, which burns out the motor gear and turns a $200 spring job into a full opener replacement. If your opener is straining, grinding, or reversing partway through the cycle, don't keep running it hoping it clears itself.
We get asked this a lot, and the honest answer is: don't. A wound torsion spring holds enough stored energy to break a hand or worse, and the winding bars and clamping technique aren't optional extras, they're what keeps the spring from unwinding into your face. Extension springs are a little more forgiving but still under real load.
What you can safely check yourself: whether the door is balanced (lift it halfway by hand with the opener disconnected and see if it holds position), whether the cables look frayed, and whether the springs show visible gaps or rust pitting. If any of that looks off, that's the point to call, not the point to start unwinding set screws.
We'll say this plainly: if your springs are original to a house built in the 1980s or earlier, replacing both springs as a pair, even if only one has failed, is usually the right call. The other one is close behind, and a mismatched pair puts uneven load on the track and rollers. Doing one spring on an old double door often just moves the failure eight months down the road instead of solving it.
The reason spring failure shows up so often in the Louisville service area comes down to two things layered on top of each other: a housing stock that's mostly 40-plus years old across the twenty-plus named areas we work in, and a climate band that swings cold enough in winter to add real stress to steel coils that are already fatigued from decades of cycles.
Across the roughly 34,000 owner-occupied houses in our service area, spring hardware installed during the original 1980s-90s construction boom is now well past any reasonable service life. That's not a sales pitch, it's just how torsion springs work. They wear out on a cycle count, and a house that's had one garage door opener running twice a day for thirty-plus years has put a lot of miles on that coil.
We don't stock every spring size for every one of the areas we serve on the truck at all times, since drum sizes and wind counts vary house to house, which is why we measure on site rather than quote blind over the phone.
It depends on whether you need one spring or a pair, torsion or extension, and the wire size for your door's weight. We measure your specific setup before quoting rather than giving a number that doesn't match your door.
You can, but on a door with original springs from the 1980s or 90s, we usually recommend replacing both. The surviving spring is close to the same age and cycle count, and running a mismatched pair puts uneven strain on the tracks.
Steel spring wire contracts slightly in cold weather, which changes tension on a coil that's already fatigued from years of cycles. In a cold-moderate climate like Louisville's, that's often enough to push a marginal spring past its breaking point.
No. A wound torsion spring holds enough stored energy to cause serious injury if the winding bars or clamps aren't handled correctly. Checking balance and cable condition is fine to do yourself; winding or unwinding the spring isn't.
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