Why garage door springs fail and what replacement involves
Updated 2026-07-08
Garage door springs do the heavy lifting, literally, and like any mechanical part under constant stress, they wear out over time. Understanding why they fail and what a professional replacement involves helps you know what to expect when the time comes.
Why springs wear out
Torsion and extension springs are rated for a certain number of open-and-close cycles, often somewhere in the range of thousands of cycles depending on the spring and how much the door is used. Every time the door opens and closes, the spring flexes under load, and metal fatigue builds gradually over years until the spring eventually breaks. Frequent use, extreme temperatures, and lack of any lubrication can shorten a spring's working life.
Common warning signs a spring is near failure
A door that feels heavier than usual when lifted manually, visible gaps or separation in the spring coils, a door that closes unevenly or at an angle, or a loud bang from the garage (often the sound of a spring breaking) are all signs a spring may be close to failing or has already failed. Stop using the door and call a professional if you notice any of these.
Why professional replacement matters
Torsion springs store significant energy under tension, and replacing them safely requires specific tools, like winding bars, and training in how to safely release and reset that tension. This is not a job for standard household tools or a first attempt, and it is one of the few home repairs where DIY carries real injury risk rather than just a risk of doing it wrong.
What a professional replacement typically involves
A technician will typically inspect the door and opener system as a whole, not just the spring, since a spring failure can sometimes indicate other wear in the system. They select the correctly rated spring for your door's weight and size, safely release tension from the old spring, install and wind the new spring to the correct tension, and test the door's balance and movement before finishing the job.
Springs are often replaced in pairs
Many technicians recommend replacing both springs at the same time, even if only one has failed, since they are typically installed at the same time and wear at a similar rate. A second spring failing shortly after the first is a common enough pattern that many professionals suggest addressing both together.
Finding a qualified technician
Look for a licensed, insured garage door company with experience in spring replacement specifically, and check your state's licensing board if your area requires licensing for this work. Ask how they determine the correct spring rating for your door, since an incorrectly rated spring can cause the door to be unbalanced or wear out prematurely.
Frequently asked questions
How long do garage door springs typically last?
Springs are rated for a certain number of cycles rather than a fixed number of years, so lifespan depends heavily on how often the door is used. Heavy daily use wears a spring out faster than occasional use.
Should I replace one spring or both at the same time?
Many professionals recommend replacing both, even if only one failed, since they typically wear at a similar rate and a second failure soon after the first is common. Ask your technician for their specific recommendation for your door.
Can I tell a spring is about to fail before it breaks?
Sometimes. A door that feels heavier to lift, visible gaps in the coils, or uneven movement can be early warning signs. Not every failure gives a clear warning though, so routine professional inspection helps catch it early.
Why does spring replacement need special tools?
Torsion springs are wound under high tension, and safely releasing and resetting that tension requires specific tools, like winding bars, along with training. Attempting it with standard tools carries a real risk of serious injury.