2026-04-17 7 min read
If you woke up one morning, hit the opener button, and heard a dull grinding hum while the door barely budged. or you heard a sharp bang from the garage late at night. there's a good chance you're dealing with a broken garage door spring. It's one of the most common service calls we handle at Tar Heel Garage Doors, and it's also one of the most misunderstood repairs for homeowners in Bladen County.
Tar Heel's climate is genuinely tough on garage door hardware. Humidity here regularly sits above 90%, especially in the summer months when temperatures push into the mid-80s and the air feels more like a coastal wetland than inland Carolina. That persistent moisture is the enemy of the steel coils sitting above your garage door.
Torsion springs. the horizontal bars mounted above the door. and extension springs. the long coils that run along the sides of the tracks. are both vulnerable to the same problem: rust. High humidity leads to oxidation that builds up between the coils, creating friction and weakening the metal over time. Once the steel loses elasticity, the spring can no longer store the rotational energy needed to lift the door. The break, when it comes, is sudden.
The same pattern shows up throughout the region. Homeowners in Lumberton, Elizabethtown, and Saint Pauls all deal with the same humid subtropical conditions that shorten spring lifespans compared to drier parts of the country. Standard springs are rated for roughly 10,000 cycles. about 7 to 10 years of normal use. but in our corner of North Carolina, that lifespan can shrink significantly without proper care.
Don't wait for a full break to take action. Here's what to watch for:
- The door feels extremely heavy when you try to lift it manually. A properly balanced door should rise smoothly with one hand; if it's fighting you, the springs are losing tension. - A visible gap in the coil. Look at the spring above your door. If you see a separation of an inch or two in the coils, the spring has already broken. - Uneven movement. If one side of the door rises faster than the other, one spring may have failed while the other is overcompensating. and that second spring is under double the stress. - Hanging or loose cables. When a spring fails, it can cause lift cables to go slack or hang loose from the drum near the top of the track. If you see dangling cables, stop using the door immediately. - Orange dust or rust streaks along the torsion shaft. This is a sign that corrosion is already eating through the coil. a warning that failure is coming soon.
If your door has been making a scraping or grinding noise on the way up, it's worth having your garage door system inspected before a small problem turns into a bigger one.
Most homes in Tar Heel and the surrounding Bladen County area have one of two spring setups:
These are the most common on newer and heavier doors. A single steel bar mounts horizontally above the door opening. When the door closes, the spring winds up and stores energy; when you open it, that energy releases to assist the lift. Torsion springs are generally more durable and safer when they break. the coil stays on the shaft rather than flying across the garage.
Older homes and lighter doors often use extension springs, which stretch along the horizontal tracks on each side of the door. They're less expensive but can snap more violently. If your home is a ranch-style build on a larger lot. which is common throughout the Tar Heel area. and was built more than 20 years ago, extension springs are a real possibility.
This is one repair that belongs firmly in the "call a pro" category. Garage door springs operate under extreme tension. A torsion spring holds enough stored energy to cause serious injury or property damage if it's handled without the right tools and training. Even a spring that appears intact can snap during the unwinding process.
Proper spring replacement also requires matching the spring to the exact weight and size of your door. Installing the wrong spring creates an imbalanced door that puts excessive strain on cables, rollers, hinges, and the opener motor. potentially turning one repair into four.
For practical day-to-day maintenance you *can* do yourself. like lubricating the coils to slow rust buildup. check out our post on humidity and heat garage door damage. Using a silicone-based or white lithium grease on your springs two to three times a year creates a moisture barrier that significantly slows corrosion. Do not use WD-40. it's a solvent, not a lubricant, and it will strip away the protective coating your springs need.
A proper spring replacement involves more than swapping out the broken coil. A qualified technician will:
1. Identify the correct spring size for your door's weight and width 2. Replace both springs. if one has broken, the other is close behind; replacing both saves you a second service call within months 3. Test the door balance. a properly balanced door should hold position when opened halfway manually 4. Inspect cables, drums, and rollers for wear caused by the imbalanced door
If you're in Tar Heel, Pembroke, Bladenboro, or anywhere in Bladen County and your door is suddenly refusing to cooperate, contact our team for a straightforward assessment. no pressure, just an honest look at what's going on.
Q: How do I know if my garage door spring is broken versus another problem? A: The most reliable test is to disconnect the opener and try lifting the door by hand. If it's extremely heavy and won't stay open on its own, the springs have failed. If the door lifts relatively easily by hand but the opener still won't engage, the issue is more likely with the opener itself.
Q: Is it safe to use my garage door with a broken spring? A: No. Operating a garage door with a broken spring puts tremendous strain on the opener motor, cables, and rollers. In some cases, the door can come crashing down unexpectedly. Stop using the door and call a technician.
Q: Should I replace one spring or both at the same time? A: Replace both. Springs on the same door wear at the same rate. If one has broken, the other is typically within months of failing. Replacing both at once saves on labor costs and prevents a second emergency call shortly after the first repair.