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Garage Door Cable Repair in Ottawa

Garage Doors Close-up of a garage door curved track, roller, hinge bracket and lift cable

Close-up of a garage door curved track, roller, hinge bracket and lift cable

One side of your garage door is hanging lower than the other. A thin steel cable is dangling beside the track. Or the door went up crooked this morning and you're not sure it'll come down. That's a cable problem, and we fix them across Ottawa.

Send us a photo of the cable and the bottom corner of the door, and call 613-265-3667 if the door is stuck. We'll tell you what we see and give you a flat-rate price before we start. Same-day appointments are often available.

Garage door extension spring, pulley and lift cable mounted along the ceiling
Garage door extension spring, pulley and lift cable mounted along the ceiling

What the cables do

A garage door has two lift cables, one on each side. Each runs from a bracket at the bottom corner of the door, up the side, and around a drum at the end of the spring shaft. When the spring turns the drum, the cables wind and lift the door evenly. If one cable fails, that side loses its support and the door twists in the tracks.

The bottom brackets hold the cable ends and are under load. That is one reason we tell people to leave cable work to a technician.

Signs of a broken or slipped cable

  • One side of the door sits lower than the other
  • A cable hanging loose, or lying on the floor
  • Frayed strands, rust, or kinks in the cable
  • The door opens crooked, or jams partway
  • Cable sagging or bunched up around the drum
  • The opener runs but the door barely moves
  • A snapping noise when the door was last used

If you see any of these, stop using the door. Don't press the opener button again to see if it works. A door running on one cable can jam in the tracks or drop.

Why cables snap or come off the drum

Cables wear from rubbing, rust and a lot of cycles. They fail for a few main reasons:

  • Corrosion. Road salt tracked in on car wheels sits at the bottom bracket, where the cable ends. Moisture and salt eat the strands from the inside. It's a common problem in Ottawa garages.
  • Age and wear. Cables fray where they bend over the drum, and fibres fail one at a time.
  • A broken spring. When a spring lets go, the cables go slack and can jump off the drum. Once they're off the drum, they get tangled or bent. If that is what happened, see spring repair.
  • Impact. A bumped door, or a car hitting the bottom corner, can bend the bracket and pull the cable loose.
  • The door was jammed. A door frozen to the floor and forced by the opener can put enough shock through a cable to snap it.
Garage door opener motor unit mounted on its ceiling rail above the door panels
Garage door opener motor unit mounted on its ceiling rail above the door panels

How we repair a cable

  1. We inspect both cables, both drums, both bottom brackets, the springs and the tracks.
  2. We find out why the cable failed. A snapped cable with a healthy spring is a different job from a slipped cable caused by a broken spring.
  3. We explain what needs replacing and give you a flat-rate price.
  4. After approval, we replace the damaged cable, and often the cable on the opposite side, and reseat the drums.
  5. We check for damage to rollers, hinges, panels and track that the failure caused.
  6. We test the balance, the travel and the safety sensors, and cycle the door to confirm it runs level.

Cables are usually replaced in pairs. The cable on the other side has done the same number of cycles and sits in the same salt. We'll show you its condition, and you decide.

Cable repair or something bigger?

A cable that has simply worn out is a straightforward repair. Other times the cable is the symptom. If the door has come off the track, we'll straighten or replace track sections, see off-track garage door repair. If the springs are near the end of their lives, we'll tell you, because replacing a cable and then a spring a month later means two visits. Where the door is old, badly rusted, or panels have started to separate at the hinges, replacement may cost less over time. Our garage door repair page has the wider picture.

Ottawa conditions that cause cable trouble

The bottom corners of a garage door are where slush drips, sits and refreezes. Salt from the road follows the car in. Through a winter of freeze-thaw cycles, the cable end and bracket stay wet, rust, and lose strength. That rust often doesn't show until the cable is already weak. If your door is over ten years old, or you can see orange corrosion at the bottom corners, have the cables looked at before spring cleanup, not after one lets go.

Keeping the bottom edge and floor clear of packed snow helps. So does a seal that isn't leaking. If yours is worn, see weatherstripping.

Homes and commercial doors

Most cable repairs we see are on house doors. On shop and warehouse doors, cables carry more weight and see far more use, and failures show up faster. See commercial garage door repair for that.

Cable snapped? Send us a photo. Tell us which side is low and whether the door is up or down. Call 613-265-3667 or request a quote. If the door is stuck open or shut right now, see emergency garage door repair.

Garage door cable questions

What causes a garage door cable to break?

Rust and wear, mostly. Salt and moisture at the bottom bracket weaken the strands, and years of cycling fray the cable where it wraps the drum. A broken spring or a jammed door can also snap one.

Can I use my garage door with one cable snapped?

No. The door will hang crooked and can jam or fall. Stop using it and call us.

Can a cable that came off the drum just be put back on?

Sometimes, but it comes off for a reason, often a broken spring or a bent part. If the cause isn't fixed, it happens again. Because the drum, cable and bottom bracket are under load, we don't recommend doing it yourself.

Should the cables and springs be replaced together?

Not always. If both are old and the spring has failed, replacing both saves a second visit. If the spring is new, the cable can be done alone. We'll say which applies to your door.

How long do garage door cables last?

It varies a lot. A cable in a dry garage may last well over ten years. One that sits in road salt and slush at the bottom bracket can fail much sooner.

Is a frayed cable an emergency?

Not yet, but treat it as a warning. A frayed cable can snap without notice, usually when it's under load. Have it looked at before it fails, and run the door as little as you can until then.

A snapped or slipped lift cable often shows up as a crooked door that will not open. Our guides cover doors that will not open or close and broken spring warning signs, since cable and spring failures often travel together.

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