How To Fix A Broken Garage Door Opener Chain

How To Fix A Broken Garage Door Opener Chain

Ah, the dreaded broken garage door chain! Not only is it frustrating, but it can also become a safety hazard if not fixed promptly. Fortunately, fixing a broken garage door opener chain isn’t rocket science. With the right tools and a bit of patience, you can have your garage door functioning smoothly again. In this blog post, we will walk you through the steps on How To Fix A Broken Garage Door Opener Chain. Additionally, we will provide a detailed table that outlines these steps, making it easier for you to follow.

Steps to Fix a Broken Garage Door Opener Chain

  1. Safety First: Before diving into the repair, always ensure that the power to the garage door opener is turned off. This can usually be done by unplugging the unit from the electrical outlet.
  2. Inspect the Chain: Sometimes, the problem may not be a break but a mere slack in the chain. Check for any visible damage or areas where the chain might have come off the sprocket.
  3. Tighten the Chain: If the chain is just slack and not broken, you can tighten it. This is done by adjusting the tension nut on the trolley. For a detailed step-by-step guide on how to do this, check out our article on how to adjust garage door gap.
  4. Replace the Chain: If the chain is indeed broken, you’ll need to replace it. You can purchase a replacement chain from most hardware stores or through garage door service companies.
  5. Install the New Chain: Begin by threading the chain around the motor sprocket and then around the carriage sprocket. Join the two ends with the master link provided with the new chain.
  6. Test: Once installed, plug the power back in and test your garage door to ensure it’s working properly.

Table: Steps to Fix Broken Garage Door Opener Chain

Step Action Reference URL
1 Turn off Power
2 Inspect Chain
3 Tighten Chain if Slack Adjust Garage Door Gap
4 Purchase Replacement Chain
5 Install New Chain
6 Test the Garage Door

Why Choose Us?

Choosing the right professionals for your garage door repairs is essential. Not only does it ensure that the job is done correctly, but it also ensures the longevity of your garage door.

  • Experience: Our team has years of experience in all types of garage door repairs, making us experts in the field.
  • Quality Work: We pride ourselves in delivering top-notch quality work to all our clients.
  • Service Areas: We cover a wide range of areas including Calgary, Okotoks, and many others.

For more details on our service areas, visit our service page.

Frequently Asked Questions

Why is my garage door chain loose?

A loose garage door chain can be due to general wear and tear over time, a misaligned track, or issues with the tension. Regular maintenance can help prevent this. Learn more in our maintenance guide.

Can I replace the garage door chain by myself?

While it’s possible to replace the chain yourself, it’s always recommended to consult with professionals or follow a detailed guide like this.

How often should I inspect my garage door chain?

A general rule of thumb is to inspect your garage door and its components, including the chain, at least once a year. This can be part of your annual garage door maintenance.

What are the signs of a failing garage door opener?

Some signs include excessive noise, the door not opening or closing fully, and a sagging chain. If you notice any of these, it’s best to consult an expert or check our common garage door repairs guide.


A broken garage door opener chain can be a setback, but with the right steps, it’s a fixable issue. Regular inspections and maintenance can help avoid such issues. If you ever find yourself in need of professional assistance, don’t hesitate to contact us. Our team is always ready to help with all your garage door needs.

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David Martin

David Martin

Servicing garage doors for over a decade has thought me a thing or two about garage doors. In this blog I will try to share with you all I've learned over the years. I hope you find these tips helpful for a DIY fix before paying for a technician. If you still need help, don't hesitate to give us a call.

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