A broken garage door spring is the single most common service call we run in Las Vegas. It usually happens at the worst possible time, 6 AM on a work morning or 10 PM on a Sunday, and it announces itself with a sound that is hard to mistake for anything else. Here is how to confirm a broken spring, what caused it, and what to do next.
The Sound and the Moment of Failure
Almost every homeowner remembers the exact moment their spring broke. You hear a sound like a gunshot, a firecracker, or a 2x4 slamming onto concrete, coming from the garage. Then silence. Some people think the car got hit. Some think someone broke in. What actually happened is that a torsion spring wound with 200 to 400 pounds of stored tension released all of that energy at once when the metal finally fatigued through.
If the door was closed at the time, it usually stays closed, and you only find out the next morning when you hit the button and nothing lifts. If the door was open, it may have slammed down to the ground, sometimes damaging the opener or the bottom panel on the way.
How to Confirm You Have a Broken Spring
Three tests, in order of reliability:
Look above the door. A healthy torsion spring is a tightly wound continuous coil. A broken one has a clear 2 to 4 inch gap in the middle where the spring separated. This is the most obvious visual confirmation. If you see a gap, the spring is broken.
Try the manual lift test. With the opener disengaged using the red emergency release cord, lift the door from the bottom handle. A healthy door balances so that you can lift it with one hand and it will stay put at any height. A door with a broken spring feels like lifting dead weight, 150 to 400 pounds, and will slam back to the floor if you let go.
Listen to the opener. If you hit the button and the opener hums, strains, and shuts off without lifting the door, the spring is the usual culprit. The opener is sized to lift a balanced door, not a 300 pound dead weight.
Why Springs Break
There are five main causes, and usually more than one is at play:
Cycle fatigue. Every spring is rated for a specific number of cycles. A standard builder grade spring is rated for 10,000 cycles. A heavy duty spring is rated for 25,000 cycles or more. Every open and close counts. Once you hit the rated cycle count, the metal starts to fatigue and failure becomes a question of when, not if.
Age. Even if you do not open your door much, springs degrade over time just from tension load and temperature cycling. Most builder springs in Las Vegas last 5 to 10 years before they need replacement regardless of cycle count.
Heat. Las Vegas summers are brutal on garage doors. Attached garages with west and south facing walls can hit 130°F to 140°F in July and August. That heat accelerates metal fatigue and shortens spring life by 25 to 40 percent compared to a mild climate.
Rust and humidity swings. Vegas is dry most of the year, but summer monsoon humidity and winter cold snaps do expand and contract the metal. Springs in unheated garages cycle through a wider temperature range than those in conditioned spaces.
Cheap builder grade springs. Most tract homes in Las Vegas were built with the absolute minimum spec spring. This keeps builder cost down but virtually guarantees replacement at the 7 to 10 year mark.
What to Do Right Now
If you have confirmed a broken spring, do three things:
Stop operating the door. Do not hit the opener button again. Do not try to manually lift it. The door is dangerously heavy and the remaining hardware (cables, drums, tracks) is not designed to handle it without the spring.
Leave the opener disengaged. If you already pulled the red emergency release, leave it. If you did not, do not pull it yet, because a door with a broken spring can slam down when released.
Call a pro. Schedule spring replacement. A standard replacement in Las Vegas typically costs $250 to $500, takes 45 to 90 minutes, and is backed by our 12 month workmanship warranty.
Why You Should Not DIY This Repair
A torsion spring holds enough stored energy to cause serious injury or death if it is released without the proper winding bars, technique, and understanding of spring geometry. Every year, hospitals across the country treat thousands of injuries from DIY spring replacement, including broken fingers, shattered wrists, facial trauma, and fatal strikes.
The parts cost for a DIY job is $80 to $150. The labor cost for a pro is the rest of the quoted price. For the $150 or so of actual savings, this is not a job to learn on.
What to Expect from a Pro
When we arrive for a spring replacement, we confirm the spring type and door weight, quote a flat price before any work starts, and complete the job in one visit. On a double spring door, we replace both springs together because they were installed together and failed together. We check cables, bearings, and drums while we are there, and replace anything that is at end of life. The whole job takes 45 to 90 minutes and you get a 12 month workmanship warranty on everything we touched.
Frequently Asked Questions
When You're Ready
A broken spring is the job we solve fastest and cleanest. Schedule spring replacement or call direct. Every job backed by our 12 month workmanship warranty.
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