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Loud bang in the garage? It’s probably a broken spring

A single loud bang, like a gunshot, from a closed garage is almost always a torsion spring snapping. Here’s how to confirm it in 30 seconds and what to do next.

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How to confirm the spring broke

Look, don’t touch. Any one of these confirms it.

  1. Look at the spring above the doorThere’s a visible gap in the coil, usually a few inches wide. The spring runs along a metal bar just above the closed door.
  2. Try the opener onceThe motor runs, the door lifts a few inches or not at all, then stops or reverses. Don’t keep pressing the button.
  3. Check the cablesThe thin cables on each side of the door look loose or are hanging off their drums.
Don’t lift the door or adjust the springThe spring carries most of the door’s weight, and a double door can weigh over 200 pounds. Lifting it by hand or running the opener can drop the door or burn out the motor. Springs and cables are under high tension. Leave the door closed and call.

What the repair costs

OptionWhat’s replacedSingle-car doorDouble-car doorWarranty (parts & labor)
GoodNew spring(s)$299$5991 year
BetterSpring(s) + nylon rollers with 13-ball bearings$499$7993 years
BestSpring(s), rollers, cables, drums, end bearings$599$8995 years

Every option includes door balancing, hinge lubrication, and a safety inspection. Double-door prices include two springs. Prices verified October 2026.

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Common questions

What was the loud bang in my garage?

If the garage door was closed, a single loud bang is almost always a torsion spring breaking. Look for a gap in the coil above the door. If the opener strains or the door lifts only a few inches, the spring is broken.

Can I open my garage door with a broken spring?

Don’t try. The spring carries most of the door’s weight, and a double door can weigh over 200 pounds. Lifting it by hand or with the opener can strain the motor or drop the door. Leave it closed and call.

How much does broken spring repair cost?

In Broward County and Palm Beach County, broken spring repair costs $299 to $599 for a single-car door and $599 to $899 for a double-car door, with a 1-, 3-, or 5-year parts-and-labor warranty depending on the option.

Is a broken garage door spring an emergency?

The door is unsafe to operate until the spring is replaced, and the car may be stuck inside. Leave the door closed and schedule the repair rather than forcing it open.

Prices by city

Same prices in every city below. Broward County · Palm Beach County

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