Des Plaines, IL · Same-day service
Replacing a Broken Torsion Spring in Des Plaines
A torsion spring is rated in cycles, and rust does not count cycles. That is the short version of why springs in this part of town give out earlier than the rating suggests. A spring that has spent years in a damp garage loses steel off the surface of the wire, and thinner wire carries less load through the same number of turns.
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Most of the doors we wind new springs onto here hang on attached garages built in the two decades after the war, and a fair number are on their third set. The estimate is free and given at the door, appointments are usually same-day, and a household with a car trapped inside gets moved up the list.
What Damp Does to a Spring Before It Breaks
Energy goes into a torsion spring by twisting it around the shaft it is mounted on, and it is held right at the surface of the wire. That is why surface loss matters far more than it sounds like it should. Pitting from condensation, or from a garage that once stood in water, retires a spring years ahead of its rating, and when it finally parts it does so cleanly and without notice.
You can often see it coming. Orange dust on the floor under the spring, or a dull brown coil where it should be oiled and grey, means the steel is going. That is worth a look now rather than after the door has dropped on its own.
The Parts You Cannot See From the Floor
Changing the spring and leaving everything else is how a door comes back to us in a season. The shaft turns in two end bearings and usually a centre bearing at the anchor bracket. In most residential hardware those are plain bearings, and once water has been through them they run dry and score the shaft.
The cable drums matter as much. A drum that has corroded where the cable seats will chew a new cable, and the cable is what actually holds the door up. We spin the shaft by hand with the springs off, so a rough bearing or a scored drum shows itself before anything gets wound.
Matched Pairs and the Four Numbers That Have to Be Right
Wire size, inside diameter, length and hand of wind. Those are the four, and every one of them answers to what the door weighs rather than how big the opening is. Get one of them approximately right and the door still goes up, which is precisely what makes it a hard fault to spot: it simply creeps off the top, or drops the last foot, or chews through itself in a couple of years.
Two-spring doors get two new springs. The survivor is not evidence of anything except that it broke second, since both were made to one specification and have lifted the door the same number of times. Fitting one and leaving the other also puts the door out of balance, which is a return visit waiting to be booked. Where the garage is how the family comes and goes, ask about a heavier-gauge high-cycle set.
Other work we do in Des Plaines
- Extension Springs
- Roller Repair
- Panel Replacement
- Smart Openers
- Commercial
- Custom Doors
- Maintenance
- Safety Inspection
- Lubrication
- Spring Replacement
- Opener Repair
- Installation
- Emergency Service
- Cable Repair
- Track Repair
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Questions
Des Plaines questions about this job
My garage flooded years ago and the door still works. Should the springs be checked?
Yes, along with the cables and bottom brackets. Water leaves spring steel pitted and bearings dry, and neither shows up in how the door feels until something lets go. A corroded spring gives no useful warning first.
Can I keep running the opener until someone comes out?
No, and this is the mistake that turns one repair into three. Counterbalance comes from the spring. The motor exists only to nudge a door that is already close to weightless, so with the spring gone it is trying to deadlift the lot. What gives is usually the gear set, a cable jumping off its drum, or the door wedging halfway up. Leave it shut.
How long should a new torsion spring last here?
Ratings come in cycles, not years, one cycle being up once and down once. The usual figure on a standard spring is 10,000 of them. Divide that by how often the door actually runs in a day and you have your own answer, which for a garage serving as the front door is far shorter than the decade most people assume. Wiping a light oil over the coils once or twice a year is the one thing that genuinely stretches it in a damp garage.
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