Garage Door Cable Repair and Replacement

garage door cables replacement

If you open your garage door and it jams halfway up or seems to hang at an odd angle, the culprit is likely frayed or broken cables. Stop using it right away and contact a professional. Whether you need garage door cable repairs and maintenance or a full replacement, Markham Garage Doors can take care of your cable on the same day.

Request Garage Door Cable Repair Services

The Critical Function of Garage Door Cables

Springs provide power, and cables are the connectors that allow that power to lift the door’s weight. Lifting cables run from the bottom bracket to the drums or pulleys attached to the torsion spring shaft. The cables on each side work in unison — if one slips or breaks during operation, the door will malfunction.

Signs of Cable Failure

Each of the following four symptoms of cable fraying or failure requires a professional to see to them:

  • A crooked door: The most distinct sign, one side lifts while the other stays down, causing the door to jam in the tracks.
  • Loud popping: A sharp noise followed by the door falling or becoming stuck, the sound is the cable snapping.
  • An off-track door: The diagonal strain on the door from a cable loss often forces the rollers out of the tracks, taking it off its tracks and compounding the damage.
  • Loose wires: Fraying or loose wires are a clear sign that a cable is at risk of failing. If you see a frayed, rusting or snapped wire hanging loosely near the side rail, don’t use the door and call a professional.

The Risks of DIY — Leave Repair to the Professionals

A broken cable leaves a garage door completely unbalanced, with the remaining cable supporting an unrated load. If this second cable snaps, the door will slam shut, which is a serious safety risk. The cable’s bottom bracket is a common source of DIY mishaps as people don’t know how or that they should safely unwind the tension spring, which requires specialized training and tools.

Improper cable detachment can also cause severe injuries. The released tension can turn the cable into a high-speed whip and the bracket into a dangerous projectile.

Our Cable Replacement Process

When we arrive at your property, you can expect the following process:

  • Secure and level the door: We clamp the door to prevent it from falling further before starting work.
  • Inspect the drum: We inspect the cable drums for grooves or plastic wear — bad drums destroy new cables in weeks.
  • Replace cables: We replace standard wires with galvanized, aircraft-grade steel cables designed to resist salt and corrosion common in Markham.
  • Wind the cables: Our technicians wind the wires to ensure the door sits perfectly flat on the floor.
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Muraly Kandanchatha profile picture
Muraly Kandanchatha
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Overall 4.9 average rating is no surprise from users to understand when one have dealt with Markham Garage Doors. There was no hesitation in my part to give them a 5*. Now my story. I had an opener installed by a leading box store on an otherwise flawlessly functional 16 year manually operated door. 6 months later, the door one morning decided to be stuck in the opening position. When I inspected the door, cable from far side had been unwound from drum. Service call with the warranty department of that box store, brought a technician home to inspect and only to suggest that opener is not faulty but door is. Tech's suggestion was to replace cables, both drums, [cables came off because cables and drums are rusted, not that opener wasn't set up properly] re-tention spring etc etc. I wasn't buying on replacing drums as my eyes couldn't find any rust on them. Called back box store, but they wouldn't help unless I replace everything what technician suggested or engage them for a fee. [Parts + labor]. Through a referral, I talked to Kevin @MGD. After hearing my rant, Kevin said restringing the cable would most likely fix the door. Cables came off most likely because tention on opener wasn't set up correct. Next day, MGD technician came and within an hour door was repaired. [I had him replace both cables anyway] Technician also inspected the opener and cleared all previous system faults, adjusted tension on the opener and door was smoothly operational. My family noticed that the door was operating much smoother than earlier. So I am not at all hesitant to give them a 5 star rating nor hesitant to recommend MGD to my friends. Very hard to find reliable service personnel these days to get any job done. Keep the great service team MGD.
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Elena Rose profile picture
Elena Rose
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Our garage door wouldn’t open, and I couldn’t get my car out while I needed to go to work. I called the company, and a very knowledgeable representative helped me quickly identify the issue—it turned out the spring above the door was broken. Within two hours, they sent a highly professional technician, and the problem was completely fixed. I’d like to thank them for their quick diagnosis, excellent customer service, and fast, professional repair.
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SS 1293 profile picture
SS 1293
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Great job! Simple, fast, with no drama! Much appreciated.
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Robert Stuparyk profile picture
Robert Stuparyk
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Markham garage doors is awesome to work with. They have a great selection and fair prices. They completed the work ahead of schedule and it looks fantastic!
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Addie Gallop profile picture
Addie Gallop
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This is not the first time that we've called on the services of Markham Garage doors. It seems that at every home, garage doors require some maintenance every few years. Markham garage doors consistently show up on time, generally within a couple of hours of contacting them. They explain the issue, fix the issue and make suggestions for future care. We highly recommend this reputable company.
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K C profile picture
K C
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Ernie came on time and was very professional. Well done. Thank you Markham Garage Doors.
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C Minos profile picture
C Minos
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Showed up ahead of schedule, great price and unmatched service and quality!
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Billy Lo profile picture
Billy Lo
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Prompt service. Dwight arrived within promised time shortly after my call. Replaced the torsion spring in no time. Courteous and professional.
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Why Markham and Surrounding Communities Trust Us

We know our area well, which is why we use high-quality galvanized parts chosen explicitly for our salty, snowy winters. When you trust us with your service, you’ll get a uniformed Markham Garage Doors employee, not a subcontractor, for maximum convenience and accountability.

We take the time to do the job properly. Our team ensures your new cables last by lubricating the bearings and rollers and inspecting your tracks for damage.

Request Immediate Cable Service

When you schedule a same-day service with Markham Garage Doors, you’re getting an experienced, local professional at an honest price. You can call us at 905-472-9178 today.

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