2026-06-14 7 min read A2Z Garage Doors
If your garage door suddenly won't open or hangs crooked in the tracks, a snapped spring is almost always the culprit. I've pulled up to hundreds of driveways across Fullerton where homeowners were staring at a door that felt like dead weight. The good news: this is fixable, and understanding why springs fail helps you avoid another breakdown down the road.
Springs don't just snap randomly. After 15 years on service calls, I can tell you there's always a reason. See our guide on are insulated garage doors worth it in fullerton? an honest look.
Most garage doors use one of two types: torsion springs (wound tight above the door opening) or extension springs (running along the sides). Both work under massive tension. A typical torsion spring can support 200 to 400 pounds of force. Over time, that constant cycle of opening and closing weakens the metal. Springs last roughly 7 to 9 years under normal use, maybe longer if your door operates three or four times daily versus ten.
Heat accelerates wear. Fullerton's summer temperatures are brutal on metal components. The spring expands and contracts thousands of times, and eventually, metal fatigue wins. Rust speeds up the process, especially if you haven't maintained seals around your garage. Cheap, low-gauge springs from big-box retailers also fail faster than commercial-grade ones. Read about weather stripping & seals in fullerton: stop drafts, save money.
Impact damage can cause immediate failure too. A car backing into the door frame, a tree branch falling, or even slamming the door hard enough puts unexpected stress on the spring. That's when you hear the loud crack or bang and watch your door drop.
When a torsion spring breaks, the door becomes nearly impossible to open manually. The spring counterbalances the weight. Without it, you're lifting 300+ pounds by hand. Your garage door opener also won't work because it's not designed to lift the full weight alone. It'll strain, stall, or burn out the motor.
Extension springs are a different danger. When they snap, the safety cables (if installed) prevent the spring from whipping across your garage like a whip. But if those cables aren't in place? You've got a serious safety hazard. This is why I always recommend having safety cables as part of your spring setup.
You'll notice the door won't close evenly. It tilts to one side. The opener makes grinding noises as it tries to compensate for uneven tension. That's your cue to stop using the door and call a professional.
**Need garage door springs in Fullerton today?** Call 650-480-3408. We handle same-day repairs and provide free estimates before any work starts.
I know the temptation. You watch a YouTube video, think you'll save a few hundred dollars. Don't do it.
Springs are under extreme tension. When you loosen one bolt on a torsion spring, the whole system wants to unwind violently. I've seen homeowners hospitalized from spring-related injuries. A snapped spring or misaligned cable can cause serious lacerations, broken bones, or worse. This isn't like replacing a light fixture.
Professional technicians have the right tools, safety equipment, and experience to handle the job safely and correctly. We also test the door balance afterward and adjust the opener settings to match your new spring. That balance work is critical and often gets skipped in DIY attempts.
When you call Garage Door Fullerton about a snapped spring, we aim to get you scheduled the same day. Most spring replacements take 1 to 2 hours, depending on whether we're replacing one torsion spring or a pair of extension springs.
The cost varies. A single torsion spring typically runs $200 to $400 installed, while extension springs cost $150 to $300 per pair. If you need both springs replaced (which is smart, since the second one will fail soon after), you're looking at $400 to $600 total. We provide a free estimate over the phone and always confirm pricing before we touch your door. For details on what factors affect pricing, read our honest breakdown of garage door costs.
Schedule a same-day spring repair estimate and we'll have you driving out of your garage by evening.
You can't stop springs from eventually wearing out, but you can slow the process. Keep your garage door tracks clean and lubricated. Apply a light silicone spray to hinges and rollers every six months. Check your weather stripping and seals to reduce rust and corrosion. Avoid slamming the door or letting debris pile up underneath.
Have your door inspected annually. A technician can spot a spring that's weakening before it fails catastrophically. We also check cable condition, opener alignment, and door balance during a routine maintenance visit.
If you live in the Orange County area, we serve Fullerton and neighboring communities. Learn more about our spring services or contact us for a free inspection.
How do I know if my garage door spring is broken? The door won't open, hangs unevenly, makes loud popping sounds, or feels extremely heavy when you try to lift it manually. Stop using the door and call a professional immediately for safety.
Can I open my garage door if the spring is broken? Not safely. Without the spring counterbalance, the door is too heavy for manual operation or your opener to handle. Forcing it risks injury or motor damage.
How long does a spring replacement take? Most replacements take 1 to 2 hours for a single spring or pair of extension springs, plus time for balance testing and opener adjustment.
Are garage door springs covered by warranty? Most springs come with a 1 to 3 year warranty against defects. Labor warranties vary by installer. We guarantee our workmanship for one year.
What's the difference between torsion and extension springs? Torsion springs wind above the door opening and handle heavier loads. Extension springs run along the sides and suit lighter doors. Torsion is more durable and safer overall.