Garage Door Cable Repair, Done Right the First Time

Getting It Booked In

When a cable snaps, your door usually won't move at all, or it comes down crooked and jams in the track. That's not a job to leave sitting - a door hanging on one cable can drop the rest of the way without warning. Call and tell us what the door is doing: whether it's stuck open, stuck shut, or came down lopsided. That tells us whether we're bringing a standard lift-cable kit or something heavier for a double door.

We work across the Merced service area, including homes near Franklin, McSwain, Atwater, Planada, Winton, Le Grand, Livingston, Snelling, Chowchilla, Delhi, and Bear Creek. Cable failures look about the same no matter which of those areas you're in - the fix doesn't change, though scheduling around distance sometimes does.

If you can safely access the garage, leave the door where it is until we get there. Don't try to force it up or down on a broken cable - that's how a panel gets bent or a track gets pulled off the wall. One honest note: if both cables have gone and the drums or torsion shaft show wear, we may tell you cable replacement alone won't hold for long, and that it's worth doing both sides at once rather than paying for a second call in a few months.

How We Fix It

A lift cable runs from the bottom bracket of the door, up over the pulley or drum, and ties into the torsion or extension spring system that actually does the lifting. When it frays or snaps, the door loses its connection to that spring tension on one side, which is why doors usually come down unevenly instead of just stopping flat.

We release the spring tension safely first - this is the step that hurts people when they try it themselves, because a wound torsion spring under load is not something to loosen by hand. With tension off, we pull the damaged cable, check the drum and bottom bracket for grooving or rust that could cut a new cable the same way, and run a replacement sized to your door and spring setup.

We always check both cables, not just the one that broke. If one side gave out from age, the other side on the same door has usually seen the identical number of cycles and the same weather exposure, so it's close behind. We reset tension, balance the door, and run it through a full cycle before we leave to make sure it stops and reverses the way it should, not just that it moves.

The Symptom

A frayed or broken cable rarely shows up as a mystery - the signs are usually right there if you know where to look. You'll see a door that looks tilted when it's halfway open, one side hanging lower than the other. You might hear a sharp snap followed by the door dropping fast on one corner. Sometimes it's slower: a popping or clicking sound during each open-close cycle as the strands start to go, days or weeks before the cable actually lets go.

On older sectional doors, the cable can also start to unwind from the drum rather than snap outright, which shows up as the door running crooked in the track or binding partway up. If your opener is straining, reversing early, or the door looks like it's fighting itself on one side, that's often cable wear rather than a motor problem - though by the time you can see fraying with the naked eye, the cable is close to done and shouldn't be run again.

Why It Happens Here

Most of the housing across the Merced service area went up between 1972 and 1998, with a lot of it clustered in the early-to-mid 1980s - roughly ten named neighborhoods built out in that window. Garage door hardware from that era, including the original lift cables on doors that haven't been upgraded, is now 25 to 50 years old. Galvanized cable strands don't last forever, and most of what's still running in these garages is well past the point anyone should expect it to hold.

Merced's climate adds to that wear. Summers here run severe heat for long stretches, and a garage with a west or south-facing door bakes for hours at a time. That heat cycling dries out and stiffens the nylon coating some cables have, and it speeds up metal fatigue in bare galvanized strands - the cable gets brittle faster than it would in a milder climate. Add daily cycling on a door that's original to a house built in the early '80s, and a cable snapping isn't bad luck. It's closer to the expected lifespan running out.

Frequently asked questions