Home Garage Door Garage Cable Snapped: What to Do and How to Prevent It

Garage Cable Snapped: What to Do and How to Prevent It

Your garage door is an essential part of your home, providing security, convenience, and protection for your vehicles and belongings. […]

Your garage door is an essential part of your home, providing security, convenience, and protection for your vehicles and belongings.

Like any other mechanical system, garage doors can experience issues over time. One of the most common and potentially dangerous problems is a snapped garage door cable.

In this article I will tell you what garage door cables are, how to recognize the signs of broken cables, the dangers they cause, and what you can do to solve the problem. We’ll also go over preventative measures and discuss when it’s time to call a professional.

What is a Garage Door Cable?

what is a garage door cable

To understand what to do when a garage door cable snaps, it’s crucial to first grasp what a garage door cable is. Garage door cables are sturdy, steel components that play a vital role in the operation of your garage door.

They are typically made from braided steel wires and are responsible for lifting and lowering the door. These cables are attached to the bottom bracket on the bottom panel of the garage door and then run along the door’s sides and up to the drum at the top.

What are the Signs that a Garage Door Cable has Snapped?

Recognizing a snapped garage door cable is important for your safety and the security of your property. Here are some telltale signs that your garage door cable has snapped:

  1. Asymmetrical Movement: When one side of the door appears lower than the other or the door is crooked, it’s a clear sign of a cable issue.
  2. Unusual Noises: If you hear grinding or snapping sounds when operating your garage door, it may indicate cable damage.
  3. Cable Hangs Loose: Inspect the cables visually. If you notice any loose, frayed, or hanging cables, it’s a clear indication of a problem.
  4. Stuck Door: A garage door that refuses to open or close may be due to a snapped cable.

What are the Dangers of a Snapped Garage Door Cable?

garage cable snapped

A snapped garage door cable can pose significant dangers, both to you and your property. It’s essential to be aware of these risks:

  1. Injury: Attempting to operate a garage door with a snapped cable can lead to serious injuries. The door may fall suddenly and unexpectedly.
  2. Property Damage: A falling garage door can cause extensive damage to your vehicle, belongings, and the door itself.
  3. Security Risk: A malfunctioning garage door compromises the security of your home, making it easier for intruders to access your property.

How to Safely Lower a Garage Door with a Snapped Cable

If you suspect that your garage door cable has snapped, it’s essential to know how to safely lower the door to prevent accidents. Follow these steps:

  1. Disengage the Door: Locate the emergency release cord (usually a red rope) and gently pull it to disengage the door from the opener.
  2. Manually Lower the Door: Carefully grip the door on both sides and lower it to the ground slowly. Ensure there are no obstructions in its path.
  3. Secure the Door: Once the door is fully closed, secure it in the down position to prevent it from accidentally opening.

How to Repair a Snapped Garage Door Cable

While some garage door repairs are best left to professionals, you can attempt to repair a snapped cable if you have the right tools and are confident in your abilities. Here’s a step-by-step guide:

Tools and Materials Needed:

  • Replacement garage door cable
  • Winding bars
  • Adjustable wrench
  • Vice grips
  • Safety glasses
  • Work gloves

Step-by-step Instructions:

  1. Safety First: Ensure your safety by wearing safety glasses and work gloves.
  2. Disengage the Opener: Use the emergency release cord to disengage the door from the opener.
  3. Secure the Door: Use vice grips to hold the door in place while you work on it.
  4. Release the Tension: Insert winding bars into the winding cone on the cable drum. Carefully release the tension on the cable by turning the winding bars.
  5. Remove the Old Cable: Once the tension is released, remove the old cable from the bottom bracket.
  6. Install the New Cable: Thread the new cable through the bottom bracket and secure it.
  7. Re-tension the Cable: Use the winding bars to re-tension the cable by turning the winding cone.
  8. Test the Door: Re-engage the opener and test the door to ensure it operates smoothly.

Remember, if you’re uncomfortable with these steps or encounter any difficulties, it’s best to call a professional garage door repair technician.

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Tips for Preventing Garage Door Cable Breakage

preventing garage door cable breakage

Preventing garage door cable breakage is crucial for the safety and longevity of your garage door system. Here are some practical tips to keep your garage door cables in good condition:

  1. Inspect Your Garage Door Regularly: Perform routine visual inspections of your garage door cables, looking for signs of wear, fraying, or damage.
  2. Lubricate Moving Parts: Regularly lubricate the garage door’s moving parts, including the cables, to reduce friction and wear.
  3. Keep Your Garage Door Track Clean: Ensure that the tracks are free of debris and obstructions, as these can cause strain on the cables.
  4. Avoid Overloading the Door: Be mindful of the weight your garage door can handle. Overloading the door can lead to cable stress and eventual failure.

When to Call a Professional Garage Door Repair Technician

While DIY repairs are possible, there are situations where calling a professional garage door repair technician is the best course of action:

  1. If You are Not Comfortable Repairing Your Own Garage Door Cable: Your safety is paramount. If you lack confidence in your repair skills, it’s safer to seek professional help.
  2. If Your Garage Door has Other Problems: Issues such as a broken spring, bent track, or malfunctioning sensor may require the expertise of a professional technician.


Your garage door cable is a critical component of your garage door system, and when it snaps, it can lead to safety hazards and property damage.

By understanding the signs of a snapped garage door cable and how to respond, you can keep your garage door in good working condition.

Regular maintenance and following safety protocols are key to preventing garage cable snapped incidents. When in doubt, don’t hesitate to contact a trusted garage door repair technician to ensure the safety and functionality of your garage door.

Remember, proactive maintenance and addressing issues promptly are essential to keep your garage door operating smoothly and safely.

By following these guidelines, you can avoid the inconvenience and dangers associated with a snapped garage door cable. Your garage door, and your safety, are worth the effort.

Garage Cable Snapped: Don’t let a snapped cable ruin your day – be proactive and secure your garage door’s reliability.


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Furqan Abril

Furqan Abril

As an author and expert in garage door systems, I am excited to share my knowledge and experiences with you. Whether you're a homeowner, a garage door enthusiast, or a professional in the industry, this web will serve as your comprehensive guide to understanding, maintaining, and enhancing your garage door.

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