Torsion Spring Replacement

The Loudest Noise Your Door Will Ever Make

A torsion spring failing sounds like a heavy gauge shotgun going off inside the garage. People phone us convinced somebody hit the house. It happens with nobody near the door as often as it happens mid cycle, because the spring is under load whether the door is moving or not.

One bang, then either nothing or an opener straining against a door that will not lift. That is the pattern, and it is unmistakable once you have heard it.

What Actually Broke

The torsion spring sits on a steel shaft above the door opening. It is wound to a specific number of turns, and the torque stored in it is what counterbalances the weight of the door. On a standard double door that is somewhere near a hundred and sixty pounds of steel and insulation being held in balance by two springs.

When the spring fails it splits along a coil and unwinds instantly. All of that counterbalance disappears in the same moment, which is why the noise is so violent and why the door becomes so heavy so suddenly.

Why It Is The Urgent One

Once a spring is gone the door is dead weight held by cables and an opener that was never designed to lift it.

Keep pressing the button and you are asking a motor rated to move a balanced door to drag an unbalanced one. That strips opener gears, and it also loads the cables and drums unevenly, which is how a spring job turns into a spring, cable and drum job. If somebody lifts the door manually and it slips, it comes down with nothing slowing it.

So the advice is short. One bang, stop using the door, park outside if the car is in there and the side door works.

How We Replace Them

Springs go in pairs. If one has reached the end of its cycle life the other is within a few weeks of the same, and mismatched springs pull the door out of balance permanently.

We size them to your actual door, not to a generic chart. Wire diameter, inside diameter and length are all measured off the failed spring, and we specify cycle rating deliberately. A standard spring is rated around ten thousand cycles, which for a household opening the door four times a day is roughly seven years. A high cycle spring costs a little more and roughly doubles that. On a door that gets used a lot, that is worth the difference.

After winding we balance test. The door should stop and hold anywhere in its travel when the opener is disconnected. If it drifts up or drops, the winding is wrong and we adjust it before anything else gets reconnected.

While The Tension Is Off

Cables, drums and end bearings are all much easier to reach with the springs unwound. If the bearings were already grinding, doing them in the same visit saves a second call and a second labour charge, and we will tell you honestly whether they need it.

The One Job We Will Not Talk You Through

We are happy to explain rollers, hinges, seals and photo eye alignment to anyone who wants to do their own work.

Torsion springs are different. Winding bars slip, springs let go while being wound, and the injuries are broken bones and worse. There is no version of this that is a sensible weekend job, and that is not us protecting a labour rate.

Call (714) 305-2343.