Hendersonville, NC · Garage Door Service
Broken torsion spring on a house built between 1959 and 2001? Hendersonville Garage Door Pros explains why cold-climate stock in this area fails this way.
A torsion spring is wound under enough tension to break a finger or worse, and that's true whether it's holding up a light single door or a heavy insulated double. If the spring is already broken, the door is dead weight - you cannot safely lift it, prop it, or wind a new spring onto the shaft without the right bars and a winding cone that fits. We don't say that to scare you off every DIY job around the house. Some things - a loose bracket, a dirty track, a sensor knocked out of alignment - are fine to check yourself. Spring tension is not one of them.
What you can safely do is diagnose. Pull the release and lift the door by hand. If it's heavy, drops fast, or won't stay up past waist height, the spring (or one of a pair) has lost its wind or snapped. Note whether it's a single torsion spring centered over the door or two side-mounted extension springs - that changes the parts and the job. Take a photo of the spring itself before you call anyone. That's the extent of the safe homeowner part of this repair.
Most spring jobs in this area run under two hours once a tech is on site with the right size cone and shaft diameter in the truck - torsion setups on standard 7-foot and 8-foot doors are common stock. What extends a visit isn't the repair itself, it's matching springs to a door that's been rebuilt or resized over the decades. On housing from the 1959-2001 window that makes up most of this service area, we regularly find a door or track that's been swapped once already, with hardware that doesn't match what's on the shaft now. That adds time to source the right wind and length, not to the actual wrench work.
If both springs on a double door are original and one has gone, we replace the pair rather than the single spring. A fresh spring paired with one that's 15-20 years into its wind cycle just fails again in a season or two, and that's a second job you didn't need to pay for.
The housing stock across this service area is heavily concentrated in a narrow window - built mostly between 1959 and 2001, with a median around 1982, and the bulk of it dating to the 1980s and 90s across the twenty or so named areas we cover. That matters for springs specifically: a torsion spring rated for 10,000-15,000 cycles doesn't care what decade it was made, but a 40-year-old garage that's never had the spring touched is well past any reasonable cycle count, original hardware and all.
The cold factor compounds it. This area sits in a severe cold climate band, and steel spring wire contracts and stiffens in winter cold, which raises the stress on a spring that's already fatigued from three or four decades of daily use. We see the failure spike in the same pattern every year: springs that were already near the end of their wind let go on the first hard cold snap, not because the cold breaks them outright but because it's the extra load that finishes a spring that was already thinning out.
A door that won't stay up when you lift it by hand, or one that slams down instead of drifting - that's a broken or badly unbalanced spring, not an opener problem. A loud bang from the garage, often mistaken for something falling, is frequently the spring itself letting go. If the opener strains, reverses partway up, or trips its overload repeatedly, the motor is trying to lift a door the spring should be carrying, and it will burn out the opener if you keep running it that way.
On older torsion setups common to houses from the 1959-2001 stock in this area, watch for a visible gap in the coil wound around the shaft above the door - that's the tell-tale sign of a clean break, versus a spring that's just lost tension gradually over the years. Either way, the fix is the same category of job, just make sure whoever quotes it tells you whether they're replacing one spring or the pair.
Steel spring wire stiffens and carries more stress in cold weather, and this area sits in a severe cold climate band. A spring that's already fatigued from years of cycles is more likely to let go during a hard cold stretch than in mild weather - the cold doesn't cause the wear, it just finishes it.
If your door has two torsion or extension springs and one broke, we replace both. They wear on the same schedule, and a new spring paired with an old one just means a second failure and a second bill within a year or two.
Pull the manual release and lift the door by hand. If it's heavy, drops fast, or won't hold at waist height on its own, that's a spring problem, not an opener problem, even if the opener is straining or reversing.
No. A wound torsion spring holds enough stored tension to cause serious injury if it slips off a winding cone or bar. This is one job we tell homeowners to leave alone - diagnosing the problem is safe, winding or unwinding the spring is not.
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We also handle spring repair in these Hendersonville-area suburbs.
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