Twists around a shaft
Torsion springs
A torsion spring works by twisting around a shaft. On many residential doors, the shaft sits above the opening. Other layouts, including rear-mounted systems, need a different assessment.
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Garage Door Knowledge Center
Broken garage
door springs
Know the signs. Understand your spring system. Choose the right next step.
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Manufacturer references and photo credits are listed in this guide.
A homeowner’s guide
A small part with
a big job.
Your springs counterbalance the weight of the garage door. When a spring breaks, the door can become difficult or unsafe to move. A repair needs to restore the balance of the whole system.
This guide explains what you may be seeing and what to discuss with your technician before the work begins.
Suspect a broken spring? Stop operating the door. Do not pull the emergency release, test its weight, or touch springs, cables, drums, or attached brackets. Keep clear and contact a trained door technician. Safety source [1]
01
Recognize the problem
What might a broken spring look like?
Describe what you have already noticed. These clues help explain the problem, but a symptom by itself does not confirm which part failed.
A visible break
A separation in an exposed spring is a reason to stop using the door and arrange an inspection. Some springs are enclosed and cannot be seen.
A bang, then trouble
Tell your technician if you heard a sudden bang and the door then stopped working normally. Report the sequence without operating it again.
A door that struggles
Report straining, uneven movement, or a door that stopped partway. A spring, cable, track, or opener issue can need further inspection.
A closer look
Coils separated.
Shaft exposed.
Near the right end of this torsion spring, a gap exposes the metal shaft between the separated coils. That visible break is the detail to notice.
Already see something similar?
Leave the door in place and arrange an inspection. You do not need to get closer or take measurements.
A squeak alone does not establish a broken spring. General spring and cable guidance: DASMA safety tips [2].
02
Understand the hardware
Torsion or extension?
Both systems help counterbalance a door, but they store energy differently. These photographs show two common arrangements. Your installation may look different, and the extension example below has a missing containment cable.
Stretches alongside the track
Extension springs
An extension spring works by stretching and is commonly alongside the horizontal track. A containment cable helps restrain the spring if it breaks. Ask for an inspection if this cable is missing.
Terminology and containment references: DASMA TDS 160 [4] and TDS 167 [1]. Photos illustrate the hardware; they do not establish which replacement parts your door needs.
03
Why springs wear out
What affects spring life?
One cycle is a full opening and closing of the door. A household that uses the garage as its main entrance can put more cycles on its springs than a household that rarely opens it.
Cycle life also depends on correct selection and installation, corrosion, handling, and maintenance. Adding weight to the door may change its counterbalance requirements. A cycle rating is not a guarantee of a specific service life.
Technical references: spring cycle life [3] and cycle terminology [4].
04
Make an informed choice
What should a spring repair cover?
The useful comparison is the complete scope of work. Ask what has failed, which components are included, and how the door will be checked after the repair.
01 / INSPECT
Confirm the system
Identify the spring arrangement and door requirements. Ask whether cables, bearings, pulleys, or other hardware also need attention.
02 / EXPLAIN
Compare the options
Clarify whether the quote covers one spring, a pair, or a system conversion. Discuss required work, optional upgrades, and the written warranty.
03 / COMPLETE
Check the operation
Ask your technician how door balance, travel, and the opener’s safety functions will be checked before the job is complete.
Ready to see your repair price?
Choose your spring repair in the Repair Wizard, review the quote, and continue to booking. Unsure what to choose? Call Wesley or request an estimate.
From our customer stories
Real jobs that explain this topic
The spring system and the surrounding hardware shape the repair. These two projects involved different systems and different scopes of work.
An older Wayne Dalton system converted in Bothell
- Problem or project need
- Aneesha wanted a more dependable setup for an older Wayne Dalton spring system.
- Work performed
- The project record describes conversion to a standard torsion system, followed by lubrication and a tune-up of the door.
- How this connects to the guide
- This is an example of changing the spring system as part of a repair decision. The appropriate setup depends on the door and the available hardware and space.
In her review, Aneesha reported quieter, smoother operation after the conversion and maintenance.
Rough movement traced to worn pulleys in Renton
- Problem or project need
- Laurence booked maintenance because the door was running roughly. Inspection found worn pulley components in the extension spring system.
- Work performed
- The worn pulleys were replaced. The springs and cables were checked, the door’s tracking was corrected, and the system was tested through multiple cycles. The customer also described lubrication during the visit.
- How this connects to the guide
- The rough movement in this case involved the extension spring pulley hardware. Inspection established the repair scope, with lubrication and adjustment included in the completed service.
Laurence reported a substantial improvement in how the door ran and appreciated the explanation of the problem.
Summaries use the work descriptions and customer feedback on the linked project pages. Each job has its own scope; your repair and price may differ.
05
Quick answers
Common spring questions
Should both springs be replaced when only one breaks?
DASMA recommends replacing both on a two-spring door. Ask your technician about the history and condition of the pair and what the quote includes. A replacement must be selected for the door’s requirements. Source [2]
Can I open the door to get my car out?
Do not operate a door with a broken spring. Leave it in place and tell your technician that a vehicle is trapped. Avoid pulling the emergency release or trying to lift the door yourself. Source [1]
Does a broken spring mean I need a new opener?
A spring failure and an opener failure are different issues. Ask for the door’s counterbalance and the opener to be assessed before deciding which equipment to replace. Tell your technician whether the motor was used after the spring problem started.
Is converting to torsion always the best choice?
It depends on the door and the installation. Ask why a conversion is proposed, whether the available space suits it, and which components and labor are included. The number or location of springs alone does not tell you which repair is appropriate.
What information helps when I request an estimate?
Tell us whether the door is open or closed, what happened before the problem started, and whether access is urgent. A wide photo taken from a safe position can help explain the layout. Do not move the door, climb toward the spring, or handle parts to get a picture.
Read the source material
Guidance you can check.
The technical references below come from the Door & Access Systems Manufacturers Association (DASMA). Follow the manuals for your exact door and opener; this page cannot confirm a diagnosis or safe operation.
- [1] Safety & inspectionResidential door and operator checklistDASMA TDS 167 — broken springs, counterbalance and containment.
- [2] Homeowner guidanceGarage door safety tipsSpring pairs, worn cables, containment and professional service.
- [3] Service lifeFactors affecting spring cycle lifeDASMA TDS 190 — selection, installation, corrosion and maintenance.
- [4] Understand the termsSectional garage door terminologyDASMA TDS 160 — counterbalance systems, springs and cycles.
Help from Trinitron Garage Doors
Understand the repair.
Then book with confidence.
Work with a local, veteran-owned garage door business serving Puget Sound. Review your repair options online or talk them through with Wesley.
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