Broken Garage Door Spring? Signs, Causes & What It Costs to Fix in San Antonio

It usually announces itself with a bang. A sound like a firecracker from the garage — often at night, when the metal cools and contracts — and the next morning your garage door opens six inches and gives up. If that's how your day started, you're in the right place: a broken garage door spring in San Antonio is the single most common repair call we run at Jerry's Garage Door Repair, and it's almost always fixable the same day you call.

Here's how to confirm the diagnosis, why it happened, what it should cost, and the one thing you absolutely should not do.

The telltale signs of a broken spring

You don't need to be a technician to spot this one. Look for:

• A loud bang you heard earlier. A torsion spring under full tension releases a lot of energy when it snaps. People regularly mistake it for something hitting the garage door.
• A visible gap in the spring. Look at the coil mounted on the shaft above your door. A healthy spring is one continuous coil; a broken one has a clean 1–2 inch separation.
• The door opens a few inches, then stops. Modern openers sense the extra load and quit as a safety measure.
• The door feels impossibly heavy. Pull the red release cord and try lifting by hand — with a broken spring, a door that used to glide feels like dead weight, because it is.
• Cables hanging loose or off their drums. When the spring goes, cable tension goes with it.

Two or more of those and you can stop diagnosing — it's the spring.

Why springs fail (and why Texas is hard on them)

Garage door springs are consumable parts, like brake pads. Every open-and-close is one cycle, and a standard torsion spring is built for roughly 10,000 of them. Use the garage as your main entrance — most of us in San Antonio do — and you'll hit that number in 7 to 10 years.

Our climate shortens the runway:

• Heat swings fatigue the steel. A garage that hits 110°F on an August afternoon and drops 40 degrees overnight puts constant expansion-contraction stress on the coil.
• Humidity invites rust. Corrosion creates microscopic pits in the spring wire, and every pit is a future crack. This is why we recommend lubricating springs a couple of times a year — more on that in our Texas-heat maintenance checklist.
• Builder-grade springs are sized to a budget. A lot of San Antonio subdivisions got the cheapest spring that would technically lift the door. Those rarely see year seven.

Please don't DIY a torsion spring

We're a company that will happily tell you what's safe to fix yourself — sensor realignment, remote batteries, track debris. A torsion spring is not on that list, and it's worth being blunt about why.

A wound torsion spring stores enough energy to lift a 150–300 pound door hundreds of times. That energy is held back by two set screws in a winding cone. Released without proper winding bars — say, with the screwdriver a video suggested — the spring unloads instantly, and everything near it becomes a target. Emergency rooms see the results regularly: broken hands, facial injuries, worse.

The professional version of this repair takes under an hour, costs a few hundred dollars, and includes correctly sizing the new spring to your door's actual weight. It is genuinely one of the worst value propositions in home DIY.

Repair or replace — and one spring or two?

Some straight answers we give every week:

If the spring is broken, it's replaced, not repaired. There's no welding or stretching a snapped spring back to life.

If your door runs two springs and one broke, replace both. They were installed the same day and have the same mileage. The survivor typically follows within months, and paying for a second service call costs far more than the second spring would have.

Consider high-cycle springs. For a modest upcharge you can move from 10,000-cycle to 25,000-cycle springs — the smart buy for a door that opens six times a day. We'll quote you both numbers; the math usually speaks for itself. More on the full decision in our guide to repairing vs. replacing your garage door.

What it costs in San Antonio

Market-wide, most single torsion spring replacements in the San Antonio area land in the low-to-mid $200s through the $300s all-in, with double-spring jobs modestly higher — the drivers are spring size (a heavy insulated double door needs thicker wire) and whether cables or bearings should be replaced while everything is apart. Our full 2026 price guide breaks down every job type.

What matters more than the exact number is how it's quoted. The classic bad-actor move in this industry is a $39 service call that turns into a $900 invoice in your driveway. A trustworthy shop tells you the flat, all-in price before touching the door. That's how we quote spring work — the price you approve is the price you pay.

Why same-day matters here

A broken spring doesn't just strand your car. It leaves your biggest entrance unsecured-feeling and your household improvising — and every "just this once" attempt to force the door risks turning a spring job into a spring-plus-opener-plus-panel job.

That's why we run spring calls seven days a week, early mornings through late evenings, with springs stocked on the truck. Most homes are back to normal the same day, often within hours.

If your spring just gave out, book online or call (210) 762-7135 — we'll give you a straight price over the phone and get you moving again.

Frequently asked questions

How long do garage door springs last?+

Standard torsion springs are rated for about 10,000 open-close cycles — roughly 7 to 10 years for a typical San Antonio family. High-cycle springs rated for 25,000+ cycles are available for a modest upcharge and are worth it on a door you use as your front door.

Can I still use my garage door with a broken spring?+

No. The spring does the lifting, not the opener. Running the opener against a dead-weight door burns out the motor and can bend the top panel, and lifting a spring-less double door by hand is a serious injury risk. Keep the door closed and call a pro.

What does garage door spring repair cost in San Antonio?+

Most single-spring replacements in the San Antonio area fall in the low-to-mid $200s through the $300s, and two-spring jobs run modestly more — the exact number depends on spring size and door weight. A trustworthy company gives you a flat, all-in quote before starting. Jerry's quotes the full price up front, with no trip-fee surprises.