How to Repair a Broken Garage Door Cable

A broken garage door cable can be a significant inconvenience, posing risks to both your safety and the integrity of the garage door. Luckily, with some basic tools and our step-by-step guide, you can confidently tackle this repair.

The Essential Repair Steps

  1. Safety First: Disconnect the power to the garage door opener.
  2. Inspect the Damage: Check the extent of cable wear or damage.
  3. Gather Your Tools: You’ll need gloves, safety glasses, wrenches, winding bars, and a new cable.
  4. Release the Tension: This involves unwinding the torsion springs, so be careful.
  5. Remove the Broken Cable: Disconnect it from the drum and door bracket.
  6. Install the New Cable: Connect it to the drum and thread it along the door’s side.
  7. Retension the Springs: Carefully wind the torsion springs back up.
  8. Reconnect the Power: Restore the power to the garage door opener.
  9. Test the Door: Ensure smooth operation and the right cable tension.
Step Task Tools Required Time Estimate
1 Safety preparation None 5 mins
2 Damage inspection None 10 mins
3 Gathering tools Basic tools 5 mins
4 Releasing tension Winding bars 15 mins
5 Removing old cable Wrenches, gloves 20 mins
6 Installing new cable New cable, gloves 30 mins
7 Retensioning springs Winding bars 20 mins
8 Power restoration None 5 mins
9 Testing door None 10 mins

Need an Expert?

At Garage Door Pitt, we pride ourselves on our expertise. With years of experience, we ensure:

Service Areas:

  • Pittsburgh and surrounding areas.
  • Greater Pittsburgh Region.
  • Southwestern Pennsylvania.

Frequently Asked Questions

How often should garage door cables be replaced?

Garage door cables typically last anywhere from 10-15 years depending on usage. Over time, they wear out, and if you notice fraying or rust, it’s time to consider replacement.

What are the dangers of a broken garage door cable?

A broken cable can cause the garage door to crash down suddenly. This is not only dangerous to anyone standing nearby but can also damage the garage door or anything stored underneath.

Can I use any cable for the garage door?

No, always use cables specifically designed for garage doors. These cables can handle the weight and tension of a garage door.

Should I replace both cables at the same time?

Yes, if one cable has worn out, the other is likely not far behind. For consistency and to prevent future problems, replace both cables at the same time.


Fixing a broken garage door cable doesn’t have to be daunting. With the right tools and guidance, you can have your garage door functioning smoothly in no time. Remember, while DIY can be rewarding, always prioritize safety. For more complex issues or if you’re unsure, don’t hesitate to contact us. Your safety and satisfaction are paramount to us.

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Michael Williams

Michael Williams

Over a decade in the garage door business has taught me that the most professional way to go is transparency with my clients. Why charge clients when they can clearly solve some of their garage trouble DIY? In this blog I will share as much as I can. If you still need help, don't hesitate to call!