2026-04-04 6 min read
There's a reason garage door springs fail without warning more often than any other component: they work every single time the door moves, they're under enormous tension at all times, and most homeowners never think about them until something goes wrong. In Cashiers and the surrounding mountain communities. Highlands, Scaly Mountain, Sapphire. the combination of high moisture levels, significant temperature swings, and long-term homes used seasonally creates conditions where springs wear faster than average. This guide covers what springs actually do, the warning signs every homeowner should know, and what a proper replacement involves.
Torsion springs. the horizontal coil or coils mounted above the door opening. are the workhorses of most modern garage door systems. They store mechanical energy as they wind and unwind with each cycle, counterbalancing the full weight of the door so that your opener motor and your arm aren't doing all the lifting. A standard residential garage door can weigh 150 to 300 pounds. Without functioning springs, that weight falls entirely on the opener, on the cables, or on you.
Extension springs, which run along the horizontal tracks on either side of the door, serve the same purpose in older systems. Both types operate under significant tension, which is what makes them effective. and what makes them dangerous when they fail.
Most standard torsion springs are rated for around 10,000 cycles. One cycle equals one full open and one full close. A household that uses the garage door four times a day. which is realistic for a primary residence. hits that mark in roughly seven years. Higher-cycle springs rated at 25,000 cycles or more are available and worth the upfront cost if you're already replacing a set.
For seasonal homes in the Cashiers area, the math changes. A property used heavily during summer and holidays but sitting empty for stretches of the year may have springs that are chronologically old but cycle-young. The flip side is that moisture exposure during those vacant months accelerates rust and corrosion regardless of cycle count. Exposure to moisture will eventually lead to rust and corrosion on the springs, which weakens the metal and significantly reduces lifespan.
Disconnect the opener and try to lift the door manually to about waist height. It should feel manageable and stay in place when you let go. If the door feels like dead weight when you lift, or if it falls back down when you release it, the springs are likely worn out or broken and no longer counterbalancing the door's weight. This is one of the most reliable tests you can do yourself.
A spring breaking under full tension releases stored energy instantly. The sound is sudden and sharp. often compared to a gunshot or a car backfiring. If you hear this from your garage and the door stops working correctly afterward, a spring has almost certainly snapped. Don't try to operate the door. Contact Cashiers Garage Doors or check the FAQ page for next steps.
If your door looks crooked when it opens. one side higher than the other, or a visible sag in the middle. one spring has likely failed while the other is still partially functional. This uneven strain also puts stress on cables, tracks, and rollers, so the longer it runs in this condition, the more components are affected. Our guide on panel repair covers what can happen when structural stress goes unaddressed for too long.
Do a visual check on your springs a couple of times a year. Look for rust or discoloration, which indicates moisture damage. Look for visible gaps between coils on a torsion spring. a gap means the spring has snapped. Look for coils that appear stretched or elongated compared to how tightly wound they were when new. Any of these are signs that failure is near or already happening.
If your automatic opener is working harder than usual. making more noise, moving the door more slowly, or stopping partway through the cycle. it's often because it's compensating for springs that are no longer carrying their share of the load. Running the opener in this condition accelerates motor wear. Worn-out springs can shorten the lifespan of the opener since the issue forces the opener motor to do all the heavy lifting.
Garage door springs are under extreme tension. That tension stores mechanical energy, which is released during movement. When that energy releases suddenly and unexpectedly. which is what happens when a spring is handled incorrectly. the results can include broken fingers, facial injuries, or worse. Proper replacement requires specialized winding bars, clamps, and knowledge of how to safely unload and reload tension. A 150 to 300-pound door can drop suddenly without spring support.
This isn't a case of being overly cautious about a simple home repair. It's one of the legitimately hazardous jobs in residential maintenance. Leave it to a trained technician with the right tools. You can see our full list of professional repair services to understand what a proper spring replacement service includes.
A professional spring replacement involves more than just swapping out the old spring. A thorough job includes inspection of cables, rollers, and tracks to identify any related damage that the spring failure may have caused or accelerated. The technician selects replacement springs matched to your door's specific weight, then installs and tensions them correctly. After installation, the door balance is tested, the opener is checked, and all moving parts are lubricated. Most spring replacements take about an hour to ninety minutes.
One practical note: if you have two springs and one breaks, replace both at the same time. The remaining spring has been through the same number of cycles as the one that failed. it's working on borrowed time. Replacing them as a pair keeps wear even and saves you from scheduling a second service call within a year or two.
If your home has been through several winters in Cashiers or you're not sure when the springs were last replaced, a seasonal inspection is worthwhile before the next cold season hits. Schedule a visit before the issue becomes an emergency.
Q: Can I still use my garage door if a spring is broken?
A: You should not. With a broken spring, the full weight of the door falls on the opener motor and cables, which can burn out the motor and damage other components quickly. More importantly, a door without spring support can drop suddenly and without warning, creating a serious safety risk for anyone nearby.
Q: How do I know if I have torsion or extension springs?
A: Torsion springs are the coiled springs mounted horizontally above the door on a metal shaft, parallel to the top of the door opening. Extension springs run along the horizontal tracks on each side of the door and stretch and contract as the door moves. Most homes built or remodeled in the last twenty years have torsion springs.
Q: Do I need to replace both springs even if only one broke?
A: Yes, in almost all cases. Both springs have gone through the same number of cycles and the same environmental exposure. Replacing only the broken one leaves you with a mismatched pair. one fresh, one near the end of its life. which causes uneven door movement and typically leads to the second spring failing within months.