A garage door hanging crooked on one side, or a cable you can see hanging loose near the bottom rollers, usually means a cable has slipped, frayed, or snapped — a repair that needs the right tools and shouldn't be attempted casually.
Professional Garage Door Services is based in Tarzana and repairs garage door cables throughout the San Fernando Valley, including Encino, Woodland Hills, Reseda, Sherman Oaks, Van Nuys, Winnetka, Studio City, Northridge, Canoga Park, and Calabasas. We're licensed, insured, and family owned, and every estimate is free.
24-hour service is available since a broken cable can leave a door hanging unevenly or unsafe to operate. Call (888) 285-4021 for help.
What Is Garage Door Cable Repair?
Garage door cables work alongside the springs to safely control the door's movement and support its weight, particularly on the way down. They run from the bottom corners of the door up to the spring system near the top of the tracks.
Cable repair covers replacing cables that have frayed, stretched, slipped off their drum, or snapped outright — usually due to wear over time, though sometimes a sudden failure follows a spring issue or impact damage.
Cable problems matter because a compromised cable changes how evenly and safely the door moves. A door that hangs crooked or drops unevenly on one side is often a cable issue, and it puts additional strain on the remaining hardware.
If you notice a loose or hanging cable, a door that closes unevenly, or visible fraying near the bottom rollers, stop using the door and have it inspected rather than continuing to operate it.

Signs of Cable Trouble
Not sure what's wrong? Here's a guide to what you might be noticing — but if in doubt, stop using the door and call us before it gets worse.
Visibly loose or hanging cable
You may notice: A cable that's no longer taut, hanging near the bottom rollers instead of running tight to the drum.
Likely cause: The cable has slipped off its drum or snapped.
Why it matters: The door may not be properly supported on that side — avoid operating it until it's inspected.
Door hangs crooked or closes unevenly
You may notice: One side of the door sits lower than the other, especially when closed.
Likely cause: A cable failure on one side, changing how the door's weight is distributed.
Why it matters: This uneven strain can accelerate wear on the opposite side's hardware.
Frayed cable strands visible
You may notice: Small, wire-like strands visibly separating from the main cable.
Likely cause: Wear over time from repeated use, or rust and corrosion.
Why it matters: A fraying cable is a sign of imminent failure — better to replace before it snaps.
Door dropped suddenly on one side
You may notice: A sudden, uneven drop rather than a smooth, level close.
Likely cause: A cable has failed completely.
Why it matters: This is unsafe to continue operating — keep the area clear and call for repair.
Cable came off the drum but hasn't snapped
You may notice: Visible slack in the cable, though it appears otherwise intact.
Likely cause: Often related to a spring issue, impact, or the drum itself being damaged.
Why it matters: Even without a full break, a cable off its drum means the door isn't properly supported.
If your door feels unusually heavy, won't stay open, or you see a broken spring or cable, stop using it and keep people and pets clear. A professional inspection is the safer path.
What to Expect During a Cable Repair Visit
Every door and issue is different, but a typical visit includes:
- Inspection of both cables, drums, and the related spring system, since cable issues are often connected to spring condition.
- Assessment of whether one or both cables need replacement, and whether the drums themselves are in good condition.
- Cable replacement using parts rated for your door's specific weight.
- Balance testing to confirm the door moves evenly and holds position correctly after the repair.
- A check of related hardware — rollers, hinges, tracks — since a cable failure sometimes causes secondary wear.
- A final explanation of what was repaired and what to watch for going forward.

Cable Repair or Full Hardware Replacement?
In most cases, cable repair is a contained fix — replacing the affected cable (and often both, for even wear) restores normal, safe operation.
Broader hardware replacement becomes worth considering if the cable failure caused damage to the drums, track, or panels, or if the door's overall hardware is old enough that other failures are likely soon.
We'll let you know clearly if we see signs of broader wear beyond the cable itself.
Safety Comes First
- Do not attempt to replace garage door cables yourself — they work under tension alongside the springs.
- Keep the area clear of people and vehicles if you notice a loose or broken cable.
- Avoid operating the door if it's hanging unevenly or you can see a hanging cable.
- Don't attempt to manually force the door level if a cable has failed.
What Does Cable Repair Cost?
Cable repair cost depends on whether one or both cables need replacing, the condition of the drums, and whether related hardware needs attention at the same time.
Larger or custom doors may require heavier-duty cables, which can affect the price.
We provide a free estimate after inspecting the door, so you know the cost upfront.
Why Homeowners Choose Professional Garage Door Services
Licensed & Insured
Family Owned
24-Hour Service
Free Estimates
We're based in Tarzana and repair garage door cables safely and correctly, checking related hardware so you're not back with the same problem months later. Professional Garage Door Services is licensed, insured, and family owned, with free estimates and 24-hour service available.
Areas We Serve
Professional Garage Door Services is based in Tarzana and provides garage door cable repair throughout the surrounding San Fernando Valley, including Encino, Woodland Hills, Reseda, Sherman Oaks, Van Nuys, Winnetka, Studio City, Northridge, Canoga Park, Calabasas, and nearby communities.
Want details specific to your area? Visit our Tarzana, Encino, or Woodland Hills pages, or contact us for your specific location.

