A garage door spring lasts about 14 years on a door used twice a day and closer to two or three on a door that runs all day, because springs wear out with use rather than with age on a calendar. Standard springs on home garage doors are commonly rated around 10,000 cycles, one cycle being a single trip up and back down.
Divide that rating by how many times your door moves in a day for a fair estimate of its working life. The rating is a typical figure, not a promise. Damp air, a spring sized too light for the door, or a lone spring doing a pair’s work can end it early.
When a spring has just broken, start with the loud bang from a broken spring for what to do first, and our spring repair page explains how the new one goes in.
Turn the cycle rating into years
A 10,000-cycle spring lasts about 13.7 years at two cycles a day, 6.8 at four and 2.3 at twelve; count your door’s trips on an ordinary day and find the closest row below.
| How the door gets used | Cycles a day | Years to reach 10,000 |
|---|---|---|
| Car parked inside, one trip out and back | 2 | About 13.7 |
| Two drivers sharing one door | 4 | About 6.8 |
| Door doubles as the family’s front door | 6 | About 4.6 |
| Kids, bikes and errands all day long | 8 | About 3.4 |
| Home workshop, studio or gym | 12 | About 2.3 |
Fixr’s national cost guide runs the same arithmetic and lands at 13 to 14 years for a 10,000-cycle spring on a door used twice a day. It is easy to undercount, because a trip to the recycling bin or airing out a stuffy garage is a cycle too.
Clues to the age of the springs on your door
Old receipts, the door’s own age, a mismatched pair, rust on the coils and a door that has grown heavy all hint at how long the springs have been working, even without paperwork.
- Old paperwork. A receipt, a sticker or a note from an earlier service call dates the last spring job. Check the files before assuming the springs are original.
- The door’s own age. If the door came with the house and no spring has ever been replaced, the springs are as old as the door. Count the years and set them against your daily cycles.
- A mismatched pair. On a two-spring door, one bright spring beside one dull or rusty spring means only half the pair was ever replaced, and the older one is running on borrowed cycles.
- Surface condition. A little dust is normal. Orange rust, flaking or dark pits along the coils mean the steel has spent a long time in damp air.
- How the door feels. A door that has grown harder to lift by hand, or that sinks when released at waist height, has springs that are losing tension.
Why springs fail before they reach their rating
Springs usually fail early from rust, a spring too light for the door, one spring doing a pair’s work, a door that grew heavier, or a mismatched pair, and each leaves a sign worth checking.
| Cause | What you might notice | What helps next time |
|---|---|---|
| Rust and pitting | Orange or dark spots on the coils, a gritty creak as the door moves | Light oiling, a drier garage, a coil check each fall |
| Spring too light for the door | The door always felt heavy or crept downward | A spring sized from what the door actually weighs |
| One spring doing two springs’ work | A wide or insulated door hanging on a single spring | A matched pair in place of the single |
| A door that grew heavier | Foam panels, coats of paint or waterlogged wood added since the spring went in | Resizing the spring to the door as it is today |
| A mismatched pair | One old and one new spring pulling unevenly | Replacing both together |
None of these shows up on a calendar, which is why two identical doors on the same street can need springs years apart.
Damp garages are hard on spring steel
Moisture shortens spring life because rust roughens and thins the coil, and a pitted coil handles thousands of flexes worse than a clean one.
Portland’s wet season is long. Climate normals that NOAA calculated for the airport over 1991 to 2020 put an average of 5.77 inches of rain in December, 5.45 in November and 5.03 in January, and a closed garage holds that damp air around bare steel for months at a stretch.
Unheated garages, especially detached ones in a shady backyard, tend to stay damp, and damp steel rusts. Cracking the door open on a dry afternoon, running a dehumidifier in a shop garage, and parking a dripping car where the water does not land under the shaft all slow it down.
Signs a spring is close to the end
A wearing spring often warns for weeks before it breaks, most clearly as a door that sinks when released halfway up, and a two-minute balance check catches it.
- Close the door and pull the opener’s plug, so a remote press cannot start it mid-test.
- Disconnect the door from the opener with the red release cord on the trolley.
- Lift the door with both hands to roughly hip level, then ease off slowly with your hands ready.
- Read the result. A door that holds still is balanced; one that sinks has springs losing tension, and one that climbs is wound too tight.
- Lower the door, restore power to the opener and cycle it once so the trolley latches again.
Other warnings include an opener that sounds strained or slows on the way up, a door that rises crooked, a creak from the shaft on every lift, and extension springs that show gaps between their coils with the door fully open. Any of these is worth a call before the spring gives out with a car parked inside.
How to get more years from the next spring
Get more years by fitting high-cycle springs as a matched pair, oiling the coils, keeping the door balanced and keeping water off the steel; the spring already on the door keeps its rating.
- Ask about high-cycle springs if the door is the household’s main way in. They are built to a higher cycle rating than the standard spring, cost more up front and spread that cost over more years.
- Replace springs as a pair so neither one is tied to a worn-out partner.
- Oil the coils lightly two or three times a year with a spray lubricant made for garage doors, and wipe off the excess.
- Keep the door balanced. A yearly tune-up and safety check catches a spring that has drifted out of adjustment before the opener starts making up the difference.
- Keep water off the steel wherever you can, as described above.
Our seasonal maintenance checklist puts this spring check on the calendar each fall and spring, alongside the seal, roller and opener tests.
What else to check when a spring breaks
Check the lift cables, shaft bearings and cable drums, because a spring that fails after a full life usually has company among parts that made exactly as many trips.
Lift cables fray low on the door, the bearings at each end of the shaft dry out, and cable drums can crack, especially if the door dropped when the spring let go. All of these deserve a look during the replacement, and worn ones should be shown to you first. Frayed or slack cables are their own job, covered under cable and drum repair.
For what the whole job runs, our spring replacement cost guide lays out published Portland ranges and what a fair quote includes.