What Can Go Wrong
A lift cable doesn't usually fail all at once. It frays strand by strand where it wraps the drum or runs over the bottom bracket pulley, and you'll see rust bloom or kinking before it finally lets go.
Uneven drop binds panel
When it does go, the door drops unevenly - one side hangs low while the other stays up on its cable, and the panel binds in the track.
Spring fling hazard
On older extension-spring setups, which are common in Claremont's 1960s housing, a snapped cable can let the spring fling loose if there's no restraint running through it. We also see cables jump the drum groove on torsion systems, which looks like a snapped cable from the garage floor but is a different fix.
Opener shutdown after failure
Either way, once a cable goes, the opener should not be run again - it will keep trying to lift a door that isn't balanced, and that strains the motor and the remaining cable.
How We Fix It
We replace the cable, not patch it - a frayed or kinked cable is a wear item, and splicing one back together isn't a repair we'll stand behind.
Both cables replaced
On a drum-and-cable door we pull both cables as a pair even if only one failed, because the other side is usually close behind it on the same age of hardware.
Drum groove inspection
We check the drum groove and bottom bracket for wear while we're in there, since a chewed-up drum will cut a new cable the same way it cut the old one.
Safety cable upgrade offer
If the door has old extension springs without a safety cable running through them, we'll point that out - it's a separate, worthwhile upgrade, not something we add to the bill without asking. Once the new cable's on, we balance the door by hand before we ever let the opener take weight again.
Why It Happens Here
Claremont's garage stock centers on 1966, right in the middle of the run of houses built here between 1943 and 1987 - the stretch where extension-spring doors with cable-and-pulley lift systems were standard, long before torsion springs and safety cables became the norm. Those original cables are galvanized steel, and after six decades of sun and use, most have never been swapped once. With a median household income of $122,127 across roughly 12,185 households in Claremont, we more often see owners ask for the full cable-and-drum (or cable-and-pulley) assembly replaced outright rather than a single strand patched - it's a small cost difference against a door that's original to a house this age, and it buys years rather than months.
The Symptom
The door hangs crooked, one bottom corner lower than the other, and it won't move on the opener - or it moves a few inches and stops.
Bang signals cable failure
Sometimes you'll hear a bang from the garage before any of that, which is the cable letting go under tension. On a two-car door, a single failed cable can pull the whole panel section out of its track on one side, so don't try to force it back by hand.
Stop the opener quickly
If the opener is still trying to run, you'll smell it before you see smoke - the motor isn't built to lift a door that's lost half its support. Shut the opener off at the wall and leave the door where it sits until someone's looked at the drum and the remaining cable.
What It Costs
We don't post a flat price here because cable jobs vary with the setup - a single cable on a standard door is a different job than a pair plus a worn drum, or a door that needs a safety retrofit added while it's open anyway. We'll quote the job once we've seen what's actually failed, not before. One honest note: if the drum or the bottom bracket is also chewed up, fixing just the cable is a short-term patch - we'll tell you straight if that's the case rather than sell you a cable replacement that fails again in a year.
Getting It Booked In
We run out of San Dimas, about 6 miles from Claremont, so a cable call here is a short trip rather than a cross-town haul.
Stuck door urgency
That matters with a cable fault because the door is usually stuck halfway, off its track, or hanging crooked on one side - not something you want sitting for days waiting on a crew.
Cable attachment status
Tell us whether the door is still attached at both ends or whether a cable has come off the drum entirely; that changes what we load on the truck before we leave San Dimas. If the garage is doubling as the only way into the house, say so when you call, and we'll work out timing around that.
No Claremont branch
We don't keep a branch in Claremont itself, so every job starts with that drive - short as it is, it's worth knowing going in rather than assuming a crew is parked around the corner.
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