Garage door tension springs are under an incredible amount of pressure. When one breaks or wears out, it can put a garage door completely out of commission. More importantly, it can be dangerous to try and replace one without the right tools or training. That’s why professionals follow specific safety steps and techniques to get the job done quickly and correctly.
This article walks through what trained technicians actually do when replacing a tension spring, why it matters, and what to watch for if you think your spring might be reaching the end of its lifespan.
Understanding the Role of Tension Springs
Tension springs are essential in balancing the heavy weight of the garage door. Without them, it would be nearly impossible to lift the door by hand or rely on the opener alone. Therefore, when one breaks or stretches out, the entire system becomes unstable and unreliable.
In addition, a damaged spring often causes the door to feel heavier or uneven. For instance, one side may sag or drop faster than the other. This is one of the most obvious signs that something is wrong, and it usually means spring replacement is necessary.
Why DIY Spring Replacement Is Not Worth the Risk
It may seem like a simple mechanical swap, but replacing a tension spring can be dangerous. Each spring is tightly wound and stores a large amount of energy. If it snaps or slips while being removed or installed, serious injury can happen in a split second.
That is to say, this is not a task for experimentation. Most homeowners do not have the proper winding bars or safety tools. Even more critically, they may not understand how much pressure to apply or how to anchor the spring correctly to the shaft.
Professionals not only bring experience, but they also know the warning signs that indicate deeper issues with the tracks, bearings, or cable system. This is another reason why contacting a team that provides Garage Door Repair Services is often the safest and most effective option.
How Experts Safely Remove Old Tension Springs
The first step professionals take is always to disconnect the garage door opener. This ensures there’s no accidental movement while work is underway. After that, they manually open the garage door just enough to take the weight off the spring. This position is then locked in place with clamps.
Next, they use specialized winding bars to slowly and evenly unwind the spring’s tension. Notably, screwdrivers or improvised tools are never used in this process. Using the wrong tool can cause the bar to slip, which could result in serious injury.
Meanwhile, the technician will inspect the shaft, bearings, and cable drum to ensure nothing else is worn or misaligned. Replacing a spring without addressing other wear points can cause the new part to fail early.
Choosing and Installing the Correct Replacement Spring
Matching the right spring to the door’s weight and dimensions is critical. Professionals use measurements such as wire size, length, and inside diameter to ensure compatibility. Using a spring that’s too weak or too strong creates balance issues and strains other parts of the system.
After the right spring is selected, it is carefully mounted on the shaft and prepped for winding. Each coil is wound under controlled tension using precision techniques. Professionals count each turn to match the exact force needed for the door’s weight and size.
Further, they balance both sides of the door to make sure the tension is equal. Uneven tension can cause the door to lift crookedly, or worse, pull out of alignment and damage the tracks or opener arm.
Final Checks and Safe Operation Testing
Once the spring is fully wound and secured, the technician removes the clamps and slowly tests the door manually. The goal is to check whether it lifts smoothly and stays in position when partially open. If it slams shut or shoots upward, something needs to be adjusted.
They will then reconnect the garage door opener and perform another round of tests. This confirms that both the motor and spring are operating together safely. It’s not uncommon for minor settings on the opener to be tweaked after a new spring is installed.
Professionals often include a basic inspection of the rollers, hinges, and safety sensors as part of this service. In addition, they may recommend a follow-up check or basic lubrication schedule to extend the life of the new spring.
Signs Your Garage Door Might Need Spring Replacement
You do not always need to wait for a total failure to take action. Here are a few early signs that tension springs may be wearing out:
- The door feels heavier than usual
- It struggles to stay open halfway
- You hear a loud bang when the door is not in use
- One side of the door rises faster than the other
- The opener starts straining or reversing mid-lift
If you notice any of these issues, it may be time to get in touch with a technician for an inspection. Catching problems early often prevents more expensive repairs later.
An Overlooked Tip: Lubrication Helps Springs Last Longer
Here is one piece of advice many people miss. A light coating of garage door lubricant on the springs helps prevent rust and friction buildup. Consequently, this reduces strain on the coils during operation and can extend the lifespan of the spring.
To clarify, do not use heavy grease or household oils. A silicone-based or lithium-based spray made for garage doors is the right choice. A quick spray every three months is usually enough. You don’t need to soak it — just a light mist across the coils will do.
Likewise, you can apply the same type of lubricant to rollers, hinges, and the opener’s chain or belt. However, if you’re unsure about what’s safe to spray, it’s best to leave it to a professional during regular maintenance.
Why Speed and Safety Go Hand in Hand
Many people assume that working quickly means cutting corners. However, professionals are able to replace tension springs fast because they follow a strict process every time. Each movement is deliberate and based on years of training.
This is especially important when working with two-spring systems or torsion springs mounted in tight spaces. Small mistakes can cause uneven torque or lead to premature wear. Skilled technicians know how to avoid these problems and complete the job without wasting time or compromising safety.
That’s why seeking experienced help through Garage Door Repair Services is often the best choice, especially when dealing with older systems or doors that have been repaired multiple times before.
FAQ
How long do tension springs usually last?
Tension springs typically last between 7 and 12 years, depending on usage. Daily cycles and lack of maintenance can shorten their lifespan.
Is it safe to open a garage door with a broken spring?
No, it is not safe. Opening the door without the spring puts stress on the opener and may lead to damage or injury.
Can I replace just one spring if only one is broken?
Technically yes, but professionals usually recommend replacing both springs to maintain balance and prevent uneven wear.
What’s the difference between torsion and extension springs?
Torsion springs are mounted above the door and turn to provide force, while extension springs stretch and are mounted along the sides. Both types require caution when replacing.
Do new springs need to be adjusted over time?
Sometimes. New springs may settle slightly after a few weeks. A quick adjustment can restore proper balance and prevent unnecessary strain on other components.