Naperville, IL · Same-day service
Torsion Springs Replaced to the Right Spec in Naperville
Stand under the door and look at the steel shaft above the opening. A torsion spring that has let go shows a clean gap of an inch or two in the coil, usually near one end. The rest of it looks untouched, which is why people walk past it for days.
Serving Naperville
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Putting a new one up is not a matter of pulling something similar off a shelf. Four measurements decide which spring belongs on your door, and getting any of them wrong gives you a door that either slams down or floats open.
Reading the spring that failed
Wire diameter, inside diameter, overall length, wind direction. Wire gets measured across a stack of coils and divided out, because eyeballing the gauge is exactly how doors end up under-sprung. Inside diameter comes off the cone. Length is taken at rest, never stretched. Wind direction is marked by the cone colour, and on a two-spring shaft the left-hand and right-hand springs are not interchangeable.
We take all four off the old spring rather than working from a chart. Doors get re-sprung wrong more often than people think, and a chart only repeats the last mistake.
What comes off the shaft with it
Springs rarely fail alone. Cones gall. Cable drums wear grooves that let a cable ride up and off. Lift cables show broken strands at the bottom bracket where moisture sits. The bearing plates and the centre bearing have taken every cycle the spring took.
All of that gets inspected while the shaft is apart, because that is the only cheap moment to look. A dragging bearing does not stop a door. It quietly shortens the life of whatever spring goes on next.
Doors that need more than a like-for-like swap
Some doors were under-sprung from new. A heavy insulated section hung on builder-grade springs, or a single spring where a pair was the honest answer, shows up as a door that has always been hard on its opener and hard to lift by hand.
Older detached garages on the alley streets sometimes run a low-headroom or rear-mounted torsion arrangement needing different hardware entirely. Where the setup is the problem rather than the spring, we say so instead of refitting the same wrong part.
Other work we do in Naperville
- 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
Naperville questions about this job
How do I tell a torsion spring from an extension spring?
Torsion springs wrap around a steel shaft mounted horizontally above the door opening. Extension springs stretch front to back along the horizontal tracks, one above each side. Different parts, different repair, different hazards.
There is no visible gap in the spring, but the door feels heavy. What else could it be?
A spring can lose tension without snapping, or a cable can slip its drum so the two sides pull unevenly. Both feel identical from the ground. The technician checks balance and cable wrap to separate them.
Can I release the tension myself before you arrive?
No, and please do not try. A wound torsion spring stores enough energy to break bones, and unwinding it takes proper winding bars rather than screwdrivers. Leave the door where it is and keep people clear.
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Emergency service available · Free on-site estimates