Navigating Garage Door Extension Springs: A Step-by-Step Guide

Garage door extension springs are a vital yet often overlooked component in the proper functioning of your garage door.
garage door extension springs

Garage door extension springs are a vital yet often overlooked component in the proper functioning of your garage door. This guide will delve into how garage door extension springs work and provide straightforward instructions on replacing and installing them. With easy-to-understand terms and practical tips, our goal is to empower homeowners with the knowledge and confidence to address garage door spring issues.

Understanding Garage Door Extension Springs

Garage door extension springs are long, slender springs that run parallel to the horizontal tracks of your garage door. They provide the necessary force to assist in opening and closing the door. As the door is lowered, the springs are stretched, storing mechanical energy. When the door is opened, this stored energy helps lift the door, making it lighter to operate.

How Do Garage Door Extension Springs Work?

The mechanism of garage door extension springs is based on the principles of tension and elasticity. When the garage door closes, the springs stretch out, and when the door opens, the tension releases, allowing the springs to contract. This process assists in the lifting and lowering of the door, making the operation smoother and more balanced.

  • Increased Effort in Operation: If opening your garage door requires more effort than usual, it could indicate that the springs are wearing out.
  • Visible Wear and Tear: Look for signs of wear, such as gaps in the spring coil or frayed cables.
  • Unusual Sounds: Squeaking or creaking noises during operation can be a sign of aging springs.
  • Imbalanced Door Movement: If your garage door seems uneven or shaky as it moves, this could be a sign of uneven tension in the springs.

How to Replace Garage Door Extension Springs?

  1. Gather Tools and Safety Equipment: Ensure you have the necessary tools and safety gear, including safety glasses and gloves.
  2. Release Tension: Before removing the old springs, open the door fully to release tension.
  3. Unhook Old Springs: Carefully disconnect the springs from the pulley system and door.
  4. Measure and Purchase Replacement Springs: It’s crucial to get springs of the correct size and weight capacity.
  5. Install New Springs: Hook the new springs into place, starting from the top and then attaching them to the door.
  6. Fine-Tuning and Testing: Once installed, adjust the tension and test the door for smooth operation.

Looking for professional help with garage door springs? Click here.

How to Install 

If you’re installing new extension springs:

  1. Choose the Right Springs: Make sure the springs are suitable for the weight and size of your door.
  2. Attach Brackets and Pulleys: Securely install any necessary brackets and pulleys before attaching the springs.
  3. Thread Safety Cables: Safety cables are vital to prevent injury in case a spring breaks.
  4. Securely Attach Springs: Ensure the springs are evenly and securely attached to both the track system and the door.
  5. Adjust for Balance: Balance the door by adjusting the tension of the springs, ensuring even and smooth operation.


While DIY installation and replacement of garage door extension springs are possible, they require caution and a thorough understanding of garage door mechanics. For those who prefer expert assistance, The Garage Door Repair Guys of Edmonton is just a call away. Our team of skilled professionals can ensure safe and efficient handling of your garage door spring needs, providing peace of mind and reliable service.



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