South Bay
Garage Door Cable Repair in Bonita, CA
A garage door cable repair in Bonita replaces lift cables that have frayed, stretched or come off the drum, then works out how old the springs, drums and brackets around them are, since on doors this age those parts were often changed at different times. Matching the whole lift system to the door is what keeps the new cables from failing the same way.
Free estimate. The price is confirmed before work starts.
- CA Contractor License #1156970 (C-61/D-28)
- Open 24 hours, 7 days a week

Hardware replaced one piece at a time
Bonita has the fewest post-2000 houses of the five South Bay communities Doorup serves: roughly 6 in every 100 homes, per the Census Bureau's American Community Survey 5-year data for 2020 to 2024. Nearly every garage door here belongs to a house at least a quarter of a century old. Over that span it is common for a spring to be replaced after one failure, an opener after another, and the cables, drums and bottom brackets to be left as they were because nothing had broken yet.
When a new spring meets an old cable
A torsion spring loses some of its pull as it ages, so for years before it broke, the cables carried a slightly lighter load. Fit a fresh spring, wound correctly, and the full load returns at once. Cable wire tires where it bends on and off the drum, and that restored tension is often what finds the weakest strand. If your springs were replaced in the last few years and the cables were not, the cables are the part to keep an eye on.
Reading the door before you call
- Think back, or check your records, to when the springs were last replaced and whether new cables went on at the same time.
- With the door closed, look at each drum above the opening. Loose loops of cable, or a cable riding outside its groove, mean that side has gone slack.
- Look for a wedge of daylight under one side of the closed door. The low side usually holds the stretched or slipping cable.
- Keep your hands out of the drums and away from the set screws on the shaft. A slack cable can snap tight without warning.
How the repair goes in a Bonita garage
First the door is secured and the springs are unwound, so nothing in the system is under load. Both cables are replaced together. The drums, bottom brackets and center bearing are then checked with the age question in mind, and a drum or bracket left over from the original installation is replaced if its grooves or edges have worn sharp enough to cut a new cable. The springs are measured against the door to confirm they suit it, wound, and balanced until the door stays put at waist height. The order of work for cables and off-track doors is laid out on the garage door cable repair service page.
Spring wear on busy family doors and the other repairs common here are covered on Bonita garage door repair. For a city next door with far more newer houses, compare cable repair in Chula Vista, and the guide to broken garage door cable symptoms lists what to look for. To book, call (619) 666-6054 at any hour (Open 24/7).
Related pages
Bonita cable repair questions
Our springs were replaced a couple of years ago but the cables were not. Could that explain a cable failing now?
Quite possibly. The old spring had been pulling less as it aged, so the cables were carrying a lighter load until the new spring went on. Under the restored tension an aging cable shows its weak spots. Replacing both cables, and checking the drums they wind on, settles it.
The garage is how our family gets in and out every day. Can we still get the car out with a cable broken?
Not by running the door. If it is closed, leave the car and use another way into the house; lifting a door on one cable puts its whole weight on one side. If it is stuck open, keep people and the car out from under it until it is secured, and call (619) 666-6054 whatever the hour.
Is a cable repair worth doing on a door that dates from when the house was built?
Often it is, when the sections themselves are sound. Cables, drums and brackets are small parts compared with a whole door. If the visit finds cracked or rotted sections, a new door may make more sense, and that is explained before any work begins.
Book a visit in Bonita
Free estimate. The price is confirmed before work starts. Open 24 hours, 7 days a week.
