How to Tell If Your Garage Door Springs Are Failing: A Straight-Talk Guide for Goffstown Homeowners
2026-03-28 6 min read
Here's a scenario that plays out regularly in Goffstown and throughout the neighboring towns like Hooksett and Merrimack: a homeowner hits the button to open the garage door on a Tuesday morning, the opener runs, the door barely budges, and suddenly the whole day is derailed. Nine times out of ten, it's a broken spring.
The frustrating part is that springs rarely fail all at once without giving some warning. The warning signs are just easy to miss. or easy to write off as "the door being quirky". until the spring actually snaps and you're stuck.
This post is about recognizing those signs early, understanding what's actually happening inside your door system, and knowing when it's time to make a call.
What Garage Door Springs Actually Do
Your garage door weighs anywhere from 150 to 300 pounds depending on the material and size. The springs. either a torsion spring (the large horizontal coil above the door) or extension springs (the stretched coils running along the sides of the tracks). are what make that weight manageable. They store mechanical energy and counterbalance the door's weight, which is why a properly balanced door feels nearly weightless when you lift it by hand.
When the springs are healthy, the opener barely has to work. When they're failing, the opener strains to compensate. and when a spring breaks entirely, most openers simply can't lift the door at all. Springs are rated by cycles, not years. one cycle equals one full open and close. Most standard springs are rated for around 10,000 cycles, which works out to roughly 7 to 9 years if you use the door about four times a day.
Many of the colonials, raised ranches, and Cape Cods throughout Goffstown. especially those built between the 1970s and early 2000s. are now at or well past that threshold. If you bought a home on a wooded lot off New Boston Road or in the Pinardville area and you've never had the springs replaced, it's worth a quick look.
Warning Signs Your Springs Are Failing
The Door Feels Heavier Than Usual
This is the most reliable early signal. Disconnect your opener by pulling the red cord hanging from the trolley and try lifting the door manually. It should rise smoothly with moderate effort and stay open on its own when raised halfway. If it feels like you're lifting a car hood without hydraulics, or if it creeps back down when you let go, the springs have likely lost significant tension. A door that won't stay open on its own is a real safety concern. it's a crush hazard for anyone who happens to be underneath it.
You Heard a Loud Bang From the Garage
If you're ever in your home and hear what sounds like a gunshot or a heavy object falling in the garage, go check the springs. When a torsion spring snaps under full tension, the sound is unmistakable. You'll likely find the opener tries to run but the door won't move, or the door drops faster than normal when closing. Stop using the door immediately. See our FAQ page for what to do in a spring emergency.
The Door Moves Unevenly or Tilts to One Side
If your door looks lopsided as it opens. one side rising faster than the other, or the door appearing to lean. that's often a sign one spring has failed while the other is still partially functional. This uneven strain doesn't just look wrong; it puts stress on the cables, tracks, and opener that can lead to additional damage quickly. Don't keep operating a door that moves like this.
Visible Rust, Gaps, or Elongation in the Coils
Take a minute to look at your springs directly. On a torsion spring, a visible gap of two inches or more in the coil means the spring has already snapped. On extension springs, look for coils that appear stretched out or loose. Rust is another red flag. moisture exposure weakens the metal over time and makes the spring significantly more prone to sudden failure. Goffstown's wet springs and humid summers mean rust is a legitimate concern for any unheated garage.
Your Opener Is Working Harder
If your opener suddenly sounds like it's straining. making more noise than usual, humming longer, or stopping before the door is fully open. the springs may no longer be providing enough counterbalance support. Openers aren't designed to lift the door's full weight. Continuing to run a weakened opener against a door with failing springs can burn out the motor and turn a spring replacement into a spring-plus-opener replacement. Our services page covers both spring replacement and opener repair if you need to understand your options.
The Door Slams Shut Instead of Closing Smoothly
A door that drops quickly or slams closed is not just an annoyance. it's a sign the springs have lost their ability to control the descent. This puts stress on the entire system and is a genuine safety hazard.
Should You Replace One Spring or Both?
Replace both. If you have two springs and one breaks, the other is almost certainly near the end of its life as well since they've been used equally. Replacing only the broken one means you'll likely be dealing with the second failure within months. often at a worse time. Installing matched springs also ensures even tension on both sides of the door, which protects your tracks, cables, and opener.
Don't Attempt This Repair Yourself
It bears repeating: garage door spring replacement is one of the most dangerous home repairs a homeowner can attempt. Torsion springs store enormous amounts of mechanical energy. If one slips off a winding bar incorrectly, it can cause broken bones, facial injuries, or worse. Special winding bars and technique are required. standard hand tools won't cut it safely.
This is not the same category of risk as replacing a light switch or patching drywall. Even experienced DIYers get hurt attempting spring replacements without the right training and tools. Garage Door Goffstown handles spring replacements across the area. from Goffstown Village to customers in Amherst and Milford. with the right equipment and no shortcuts.
If something feels off with your door, get in touch with us before it becomes an emergency. A quick inspection is always easier than a Tuesday-morning crisis.
Frequently Asked Questions
Q: How do I know if I have torsion springs or extension springs? A: Look at your door when it's closed. If you see one large horizontal coil mounted to a metal bar directly above the door opening, those are torsion springs. If you see two thinner, stretched springs running horizontally along the side tracks above the door, those are extension springs. Both types wear out over time and need professional replacement.
Q: My door still opens. do I really need to worry about spring wear? A: Yes. Springs often continue to function even when they're significantly weakened, but a weakened spring puts extra strain on your opener motor every single cycle. Over time this can burn out the motor, strip the gears, or cause the spring to snap without warning at a moment when someone is near the door. Catching spring wear early is always cheaper and safer than waiting for a failure.
Q: How long does a spring replacement take? A: For a trained technician with the right tools, most residential spring replacements take one to two hours. The job involves removing the old springs under tension, installing properly rated replacements, and testing the door balance. It's not a long process. but it's one where experience and proper tools make all the difference between a safe repair and a dangerous one.