Can You Replace a Garage Door Spring Yourself?

Short answer: we don't recommend it. Garage door springs, especially torsion springs, are under high tension. Professionals and cost guides consistently tell homeowners not to attempt this repair. The money you might save on labor is not worth the injury risk or the chance of damaging the door and opener.

Why people ask about DIY

Spring kits and how-to videos are easy to find. Parts look straightforward once you see them labeled. Some homeowners do attempt a DIY swap, especially on extension springs, and report a lower parts-only bill than a full service call.

That option exists. It is still a bad trade for most people.

Torsion vs. extension: why the risk differs

Torsion springs sit on a metal bar above the door. They must be wound to a precise tension with steel winding bars. That stored energy is what lifts the door. If a bar slips, the spring can unwind violently. Our broken spring repair page puts it plainly: we don't recommend DIY, especially for torsion springs.

Extension springs run along the side tracks and stretch as the door closes. Angi notes they're common in Raleigh homes. They look easier because there is no winding bar, but they still store a lot of energy, and each one should have a safety cable. A failed or mishandled extension spring can still cause serious injury.

What DIY actually involves

A proper spring replacement is more than swapping a coil:

  1. Correct spring size and wire diameter for your door's weight and height
  2. Safe handling of cables, drums, and bottom brackets that stay under tension
  3. Winding (torsion) or stretch-and-balance (extension) to the right setting
  4. Balancing the door so it stays put halfway up
  5. Retesting the opener's auto-reverse so the door doesn't crush anything

The wrong spring leaves the door heavy or light. That strains the opener, wears rollers and cables faster, and can make the door slam or refuse to stay open.

DIY cost vs. hiring a pro

Parts-only kits can look cheap next to a service visit. The full picture includes your time, tools (winding bars for torsion), the chance of a second trip if the first spring was the wrong size, and the risk of injury or a damaged opener.

Published pro ranges for the Triangle (third-party estimates, not our quotes):

  • Angi, Raleigh spring replacement guide (updated July 2026): $246 average, typical range $147–$344
  • Replacing both springs, high-cycle springs, conversions, and after-hours visits cost more

Details and more sources: garage door spring replacement cost.

Why pros usually replace both springs

If your door has two springs and one broke, the other has the same age and wear. Replacing both keeps the door balanced and avoids a second failure soon after. Ask your technician for pricing on one versus both before work starts.

Safer checks you can do yourself

You don't need to touch the springs to decide what happened:

  • Look for a gap in the torsion coil above the door, or a stretched or hanging extension spring along the side tracks
  • Listen for that loud bang people compare to a gunshot
  • Notice if the opener strains, lifts a few inches, and stops

More: 7 signs your garage door spring is broken. If you see those signs, stop using the door. Don't lift it by hand, don't keep hitting the opener, and don't pull the emergency release if the door is open.

What to do instead

  1. Leave the door where it is and keep people and pets clear.
  2. Unplug the opener if you can reach the plug without standing under the door.
  3. Request help and choose how soon you need it. Mention a trapped car if that applies.
  4. Ask for a written quote that covers one spring vs. both, and any cables or drums that also need work.

Broken spring repair in Raleigh & the Triangle · Is it safe to open a garage door with a broken spring?

Frequently asked questions

Can I replace just one garage door spring?

You can, but most technicians recommend replacing both when a door has two springs. They wear at the same rate, and a new spring next to an old one leaves the door out of balance. Ask for pricing on one versus both.

Is it hard to replace a garage door spring?

For torsion springs, yes. They have to be wound under high tension with special steel winding bars, sized to the door, and balanced afterward. A slip can cause serious injury. Extension springs look simpler and still store a lot of energy.

Does Home Depot replace garage door springs?

Big-box stores often sell spring kits and may list install services in some markets, but availability varies. Either way, the mechanical risk is the same: torsion springs need proper winding tools and experience. Hiring a trained garage door technician is the safer path.

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