

Springs · West Montrose
Garage Door Cable Replacement in West Montrose
There was a sharp crack from the garage, and when you went to look the door had dropped on one side and jammed.
In plain words
Cables are replaced as a pair, and there is a practical reason. Both went on the door together, have made the same number of trips and have sat in the same slush, so when one fails the other is close behind. A new cable beside a stretched one also pulls the door slightly out of level. Fitting two matched cables of the same length and construction lets the technician set the door dead level, tension both sides equally and leave a counterbalance that shares the work evenly for years. It also means one visit rather than two.
How the visit goesThe car bumper kissed the door on the way in. The bottom panel has a dent, the bracket in that corner sits crooked, and the cable on that side has jumped and gone slack, so the door reverses every time it tries to close.
Garage Door Cable Replacement
How the visit goes


Why the last cable failed
A new cable fitted onto the same problem does not last, so the technician wants the cause. Frayed wires along the length point to rubbing against a bent track or a rough drum. Rust at the loop points to slush at the floor. A cable that jumped its drum usually follows the door closing on something, a spring that has lost tension, or a drum that slipped. A snapped cable on a door that was level beforehand often means age and corrosion rather than misalignment. You will be asked what happened before the failure, because a shovel in the opening or a bump from the car is a fact only you can supply.
Setting the door level
Before any spring tension returns, both cables are brought to the same tension. The technician rotates each drum until the slack is gone and the cable is snug in its groove, then tightens the set screws onto the shaft, often onto a small flat so the drum cannot creep. A level on the top section confirms the door sits square in the opening, and the gap under the bottom seal is checked along its length. If one corner sits high, the drum on that side is eased and reset. This is the moment that decides whether the door will run straight for years, so it is not hurried.
Cables and springs on the same clock
Cables and springs age together, and your new cables now have a head start on the springs that remain. If the springs were assessed and left in place, you have a rough idea of the cycles they have left, and the sensible plan is to have them changed as a pair before they break, at which point the cables are checked again and simply re-tensioned. A door that starts to feel heavy, a spring that has gone quiet and then begins to creak, or a gap appearing in the coil are the signs to act on. Handled this way, the counterbalance is renewed in planned visits rather than on a difficult morning.
Garage Door Cable Replacement
In the van
Cable drums, matched pair
Winding bars
Torsion springs and winding cones
Galvanized aircraft-type lift cables
Track clamps or locking pliers

Garage Door Cable Replacement
What affects the quote
Springs found weak or broken
If the inspection shows a spring that is broken, stretched or wound short, replacing it is explained and priced separately from the cable work, and the two are done in one visit if you agree.
One cable or the pair
Cables are normally renewed together, and the quote reflects two cables and the work of setting both sides level. Where one side was recently replaced, that is discussed on site.
Torsion or extension system
A torsion door with drums and an extension door with pulleys are different jobs with different parts, and the counterbalance type is the first thing that shapes the quote.
What to have ready
- Is anything stored close to the door or under the spring shaft?
- Is there a car inside that you need out before the visit?
- Do you have the door's manual or a label showing the model?
Garage Door Cable Replacement: questions
QuestionsWhat stops the door from falling if a cable lets go?
It depends, and not reliably. The other cable and its spring may hold that corner so the door tips and wedges in the track rather than falling square, and the rollers binding can add some resistance, but neither is dependable: the door can still drop unexpectedly on the failed side. Some doors also carry a broken-cable device on the bottom bracket that grips the track if a cable fails. Because the door may not be held at all, the technician clamps and supports it before doing anything else.
What makes a cable fray?
Fraying is individual wires breaking, and it comes from two things: bending fatigue where the cable wraps the drum or pulley, and rubbing where it touches something it should not, such as a bent track edge, a rough drum groove, a seized pulley or a bracket sitting crooked after a bump. Corrosion speeds both. The technician looks for the rough edge so the new cable does not meet it.
Can I lift the door by hand while a cable is off?
Leave it. With one cable slack the door is being carried on one side only, so it is unbalanced and may bind or drop unevenly when moved. The technician arrives with clamps and a method for taking the door's weight before anything is moved, and that is the moment to lift it. Until then a stationary door is exactly what you want.
Related services

- Garage Door Hinge ReplacementOn the old wood door, one hinge has pulled away from the panel, dragging a screw and a chunk of soft timber with it.
- Garage Door Track Repair or ReplacementAfter a decade of slushy winters the bottom foot of the track is flaking rust.
- Torsion Spring ReplacementNothing broke outright, but the door has grown heavier each winter, opens more slowly and squeals as it moves.