How To Replace Garage Door Cable
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Supreme Garage Door Repair

How To Replace Garage Door Cable: A Comprehensive Guide

Garage doors help keep our homes safe and make our lives easier. But sometimes, parts such as the cables get old and break. It’s super important to know how to replace the garage door cable to keep the door working right.

In this comprehensive guide, we will walk you through the following:

  • Understanding Garage Door Cable
  • Types of Garage Door Cables
  • Signs Indicating You Need a Replacement On Your Garage Door Cable
  • Tools Needed For Garage Door Cable Replacement
  • Step-by-Step Guide: How to Replace Cables on Garage Door
  • How Supreme Garage Door Can Help?
  • Benefits of Choosing Supreme Garage Door
  • Benefits of Hiring Garage Door Professionals
  • Garage Door Cable Maintenance Tips

Understanding Garage Door Cable

The cables are a big part of how the garage door works. They help the door go up and down without a hitch. The cables join forces with the springs to pick up the door’s weight. This makes it less hard for the opener to lift the door. There are two types of garage door cables: torsion cables and extension cables.

Types of Garage Door Cables

  • Torsion Cables: These cables are attached to the bottom corners of the door and wind around the drum as the door opens. Torsion cables are used with torsion spring systems.
  • Extension Cables: These cables run alongside the door and stretch when the door is closed. They are used with extension spring systems.

Understanding which type of cable your garage door uses is the first step in ensuring you purchase the correct replacement.

Signs Indicating You Need a Replacement On Your Garage Door Cable

Recognizing the signs that your garage door cables need replacing can prevent further damage and ensure your door operates safely.

Common Indicators

  • Frayed or Worn Cables: Visible signs of wear, such as fraying or rust, indicate that the cables are compromised and may break soon.
  • Uneven Door Movement: If your garage door moves unevenly or gets stuck, it could be a sign that one of the cables is damaged.
  • Loud Noises: Squeaking, grinding, or snapping sounds suggest that the cables or other components are worn out when operating the door.
  • Door Slipping or Falling: A door that slips or falls suddenly when opening or closing is a critical sign that the cables might be broken or about to fail.
  • Visual Damage: Regularly inspecting your cables for any visible damage can help you catch problems early.

If you notice any of these signs, it’s time to replace your garage door cables.

Tools Needed For Garage Door Cable Replacement

Replacing garage door cables requires specific tools to ensure the job is done safely and effectively. Here’s a list of the essential tools you’ll need:

  • Winding Bars: These are used to safely wind and unwind the torsion springs.
  • Vice Grips: To hold the door in place while you work.
  • Wrenches and Sockets: Various sizes will be needed to remove and tighten bolts.
  • Pliers: Handy for gripping and manipulating the cables.
  • Tape Measure: To measure the length of the new cables.
  • Ladder: For reaching high areas safely.
  • Work Gloves and Safety Glasses: To protect your hands and eyes from injury.

Having the right tools not only makes the job easier but also ensures your safety during the process.

Step-by-Step Guide: How to Replace Garage Door Cable

Replacing garage door cables can seem daunting, but with the right approach, it’s manageable. Follow these detailed steps to replace your garage door cables safely and effectively.

Step 1: Prepare and Gather Tools

Before you begin, gather all the necessary tools and ensure you have the correct replacement cables. Wear safety gear, including gloves and glasses, to protect yourself from potential injuries.

Step 2: Disconnect the Opener and Secure the Door

Unplug the garage door opener to prevent accidental operation. Use vice grips to secure the door in place by clamping them onto the track just below the bottom roller.

Step 3: Release the Tension

In the case of torsion spring systems, the use of winding bars should be employed which help blindly off the tension within the springs. After lifting the brake shoes off the wheels, insert the winding bar into one of the holes in the winding cone and ease it around to relieve tension. Continue massaging the muscles in each area until all tension is eliminated.

Step 4: Remove the Old Cables

Once the tension is released, you can safely remove the old cables. Start by disconnecting them from the bottom brackets and then unwinding them from the drum or pulleys.

Step 5: Install the New Cables

Solder the new cable ends to the respective bottom brackets. For torsion systems, rewind the new cables to the drum and must be properly arranged and tied down. For extension systems, pass the cables through the pulleys and locate them at the right positions.

Step 6: Reapply Tension

For torsion spring systems, use the winding bars to reapply tension to the springs by winding them back up. Ensure the cables are taut and properly aligned.

Step 7: Test the Door

Remove the vice grips and manually lift and lower the door to ensure it operates smoothly. Reconnect the opener and test the door with the opener to confirm everything is working correctly.

Step 8: Final Inspection

Perform a final inspection to ensure all components are secure and functioning properly. Check the alignment of the cables and the balance of the door.

Replacing garage door cables requires precision and caution. If you are unsure about any step, see a professional.

How Supreme Garage Door Can Help?

Supreme Garage Door offers professional garage door services, including cable replacement. Their experienced technicians are trained to handle all types of garage door systems, ensuring safe and efficient repairs.

Services Offered

  • Cable Replacement: Quick and efficient replacement of worn or broken cables.
  • Spring Replacement: Professional handling of torsion and extension springs.
  • General Maintenance: Regular maintenance to keep your garage door in top condition.
  • Emergency Repairs: Quick action for urgent repair needs.

Benefits of Choosing Supreme Garage Door

  • Expertise: Skilled technicians with extensive experience.
  • Safety: Following safety protocols to avoid mistakes.
  • Quality Parts: Use of high-quality replacement parts.
  • Warranty: Warranty on parts and labor for peace of mind.

Hiring professionals like Supreme Garage Door ensures your garage door operates safely and efficiently.

Benefits of Hiring Garage Door Professionals

How To Replace Garage Door Cable

While DIY repairs can save money, hiring professionals offers several advantages.


Garage door repairs, especially involving springs and cables, can be dangerous. Professionals have the training and equipment to handle these components safely, reducing the risk of injury.


Trained technicians can quickly diagnose and fix issues, ensuring your garage door operates smoothly. They have the knowledge to handle different types of doors and systems.


Professionals can complete repairs efficiently, saving you time and effort. They have the tools and experience to complete the task correctly the first time.

Quality Assurance

Hiring professionals ensures high-quality workmanship. They use quality parts and provide warranties on their services, giving you peace of mind.

Long-Term Savings

Proper repairs and maintenance by professionals can extend the lifespan of your garage door, saving you money on future repairs and replacements.

Garage Door Cable Maintenance Tips

Regular maintenance can extend the life of your garage door cables and ensure smooth operation.

Routine Inspection

Regularly inspect your garage door cables for signs of wear, such as fraying, rust, or loose strands. Early detection can prevent major issues.


Lubricate the cables, springs, and other moving parts with a silicone-based lubricant to reduce friction and prevent wear.

Balance Check

It would be advisable to conduct a periodic balance check on your garage door. Lift the door halfway by disconnecting the opener, then reconnect the opener and attempt to open and close it. If it stays there, then it is counterbalanced. Otherwise, you may have to calibrate the springs.

Clean and Clear

Maintain the tracks and rollers clean and debris-free. Dirt and obstructions can cause uneven movement and wear on the cables.

Professional Maintenance

It is wise to ensure that the door is serviced by an expert at least once a month from a reputable company like Supreme Garage Door. They can carry out extensive tests, diagnose potential troubles, and prevent these problems from becoming severe.


Replacing garage door cables is a crucial process, which ensures the safety of the door as well as its proper working condition. By appreciating the various types of cables, identifying when cables are in a bad state, and enlisting through a series of instructions then this job can be done correctly. But if you feel ambiguous or uneasy at any time, related firms like Supreme Garage Door can help you.

Maintenance of your garage door and replacing the parts when possible will increase the longevity of the garage door and help prevent future problems. If you decide to do it your way or hire a professional, it is important to maintain the garage door cables regularly.


1. Can garage door cables be replaced?

Yes, the garage door cable can be replaced. It is one of the regular maintenance processes that one has to perform to guarantee that the door is functional and safe.

2. Can I lift a garage door with a broken cable?

It’s not recommended to try to lift a garage door with a broken cable. The door can be heavy and wobble and therefore has the effect of injuring someone. In this case, it would be advisable to replace the cable first.

3. How do I know what size garage door cable I need?

Look at your garage door manual or refer to the old cable to find out how it should be in terms of length. If unsure, it is recommendable that you seek the service of a professional so that you can get the right size.

4. Are all garage door cables the same?

No, garage door cables differ due to the type of spring used; torsion or extension springs, and the weight of the door. It is however important to ensure that you get the correct type of filter for your particular system.

5. How much does replacing a garage door opener cable cost?

Depending on the type of cable used and the amount of labor involved the cost could differ. The average cost of an expert replacement will vary between $150 and $200 of the price of the part and the service.

6. How do you get a garage door up when the cable is broken?

Do not attempt to lift the door manually. Disconnect the opener and secure the door in place until the cable is replaced. Contact a professional if needed.

7. Can I close a garage door with a broken cable?

Do not attempt to operate any door with a broken cable because more damage can be done or someone can get hurt. Lock the door and get a new cable for it as soon as possible.

8. Why would a garage door cable break?

There are several reasons why garage door cables can break including old age, rust and corrosion, lack of maintenance, or accidents. This can be avoided through a well-implemented inspection and maintenance schedule.

9. What to do when the garage door cable snaps?

If the garage door cable snaps, close the door, disconnect the opener, and install a new cable before proceeding with any other actions. If in doubt, seek help from a professional in the area.

10. How long do garage door cables last?

Garage door cables should last about 7-10 years if they are well-maintained. Proper maintenance and timely replacements can however ensure that their lifespan is as long as possible.

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