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Garage Door Springs vs Cables — What’s the Difference?

If your garage door won’t open, it’s often due to either a broken spring or a worn cable. But how can you tell which one it is — and what does each part actually do?

In this guide, we’ll break down the key differences between garage door springs and cables, the common signs of failure, and what to do when things go wrong.

How Garage Door Springs Work

Garage door springs do the heavy lifting. They're responsible for counterbalancing the weight of the door, making it light enough to lift manually or with an opener.

Types of Springs

  • Torsion Springs (mounted above the door): Most common in Calgary homes
  • Extension Springs (run along the sides): Often found in older or lighter doors

When Springs Break

Springs wear out over time — usually after 10,000 cycles (open + close = 1 cycle). When they snap, your door becomes almost impossible (and unsafe) to lift.

Common signs:

  • Loud bang from the garage
  • Door only opens a few inches
  • Visible gap in the spring coil
  • Door slams shut too fast

➡️ Learn more about Spring Repair in Calgary

What Garage Door Cables Do

Cables work together with the springs. They help guide and control the movement of the door, ensuring smooth and even operation. Think of them as the support team.

Most garage doors have cables connected to the bottom bracket and wound around a drum at the top. If a cable frays or snaps, it can throw the entire system off balance.

When Cables Fail

Cables typically wear out due to age, rust, or poor alignment. If one side of your door looks crooked or gets stuck, a cable issue is likely the cause.

Common signs:

  • Door lifts unevenly
  • Cable looks frayed or loose
  • One side of the door won’t move
  • Cable off drum or hanging loose

➡️ Learn more about Cable Repair in Calgary

Cable vs Spring — Which One Is Broken?

While both components are part of the same system, the symptoms are slightly different:

IssueLikely CauseDoor only opens a few inchesBroken springDoor opens unevenlyCable issueLoud snap or bangSpring issueCable visibly off or looseCable issueDoor slams shut too quicklySpring issueDoor shakes or jerks upwardCable or alignment

Why You Shouldn’t DIY These Repairs

Both springs and cables are under high tension. Trying to repair them without proper tools or training is extremely dangerous — especially torsion springs.

Even cable replacements can go wrong if not re-tensioned correctly. That’s why we always recommend hiring a professional.

Get Professional Help in Calgary — First Repair Free

At Happy Protection, we offer fast, affordable garage door spring and cable repair across Calgary. As a member, your first repair is free, and you’ll never pay a service call fee.

Whether it’s a spring issue, cable problem, or both — we’ll fix it right, the first time.

✅ Calgary-Based Technicians
✅ Same-Day Appointments
✅ No Call-Out Fees
✅ First Repair Free with Membership

Enjoy year-round peace of mind

With a Happy membership, you can rest easy knowing your home and vehicle are protected — any time, any season. We’re here with reliable support whenever you need it, proudly serving Calgary and surrounding areas.

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What our members are saying

★ ★ ★ ★ ★

I locked myself out of my car late at night, and within 30 minutes, someone from Happy was there to help. The process was smooth, and I didn’t have to worry about a hefty service call fee — it was all covered under my membership. I’ve already used the plan again for a garage door issue, and it’s been worth every penny.

Mark T.

★ ★ ★ ★ ★

I signed up thinking I might use it once or twice a year, but Happy has already helped me twice this month — first for a dead battery and then when my garage door cable snapped. Both times, they showed up fast, handled everything professionally, and I didn’t pay any call-out charges thanks to the membership. It’s honestly a no-brainer if you own a home or car.

Erica Langor

★ ★ ★ ★ ★

Happy came through when I needed them most — my front door lock jammed on a weekend, and I couldn’t get inside. Within an hour, their locksmith had it fixed. I didn’t expect the level of service to be this good for a membership plan, but they’ve definitely earned my trust. I’m glad I found them.

Jason Richardson

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