2023-12-10 7 min read Mike Rodriguez
Garage door springs are among the most critical – and potentially dangerous – components of your garage door system. These springs counterbalance the weight of the door, making it possible to open and close with minimal effort. Understanding how they work, recognizing signs of wear, and knowing when to call a professional can keep your family safe and your door functioning properly.
There are two main types of springs used in residential garage doors:
Torsion springs are mounted horizontally above the closed garage door on a metal shaft. They work by twisting (or torquing) to store energy:
- Located above the door opening - Typically last 15,000-20,000 cycles (about 7-10 years with normal use) - Provide smoother, more controlled door movement - Generally considered safer and more reliable than extension springs - More expensive but longer lasting
Most modern garage doors use torsion springs, and many systems have two springs for additional safety and even weight distribution.
Extension springs are mounted on both sides of the door, parallel to the horizontal tracks. They stretch and contract to provide lifting force:
- Located on either side of the door - Typically last 10,000-15,000 cycles (about 5-7 years) - Less expensive than torsion springs - Should always have safety cables running through them to prevent injury if they break - More common in older garage door systems
Garage door springs are under tremendous tension – enough to lift a door that can weigh 150-400 pounds or more. This stored energy makes them extremely dangerous when handled improperly:
When a spring breaks or is released improperly, it can: - Cause the door to slam shut unexpectedly - Send metal fragments flying at high speed - Cause severe lacerations or broken bones - Result in fatal injuries in extreme cases
Attempting to repair or replace garage door springs without proper training and tools is extremely dangerous and is strongly discouraged. Even experienced DIYers should leave spring work to professionals.
Recognizing the early warning signs of spring problems can help you address issues before they become dangerous:
- Visible gaps in the spring: A torsion spring that has broken will have a visible gap - Stretched extension springs: Springs that appear elongated have lost their effectiveness - Rust or corrosion: Can weaken springs and lead to failure - Worn coils: Coils that appear thin or damaged
- Door is hard to lift manually: The springs may be weakening - Door opens too fast or slams shut: Spring tension is incorrect - Door won't stay open: Springs can't support the door's weight - Loud bang from the garage: Often indicates a spring has broken - Door appears crooked when opening: One spring may have failed
If your springs are approaching or past their expected lifespan (7-10 years for torsion, 5-7 years for extension), they should be inspected by a professional even if no obvious problems exist.
A broken garage door spring is more than an inconvenience – it's a safety hazard:
- The door will be extremely heavy and difficult to open manually - The opener motor may not be able to lift the door - Attempting to use the opener with a broken spring can damage the motor - The door may close unevenly or drop suddenly
1. Don't try to use the door: Using the opener or forcing the door can cause additional damage or injury 2. Disconnect the opener: Pull the emergency release cord 3. Don't attempt repairs yourself: Call a professional immediately 4. Keep children and pets away: The area is dangerous until repairs are made
When it's time to replace your springs, here's what to expect from a professional service:
1. Assessment of the current system 2. Determining the correct spring size and type for your door 3. Safe release of tension from existing springs 4. Removal of old springs 5. Installation of new springs 6. Precise adjustment of tension 7. Testing of door operation and balance 8. Safety check of all related components
If one spring breaks, we strongly recommend replacing both springs at the same time because:
- The other spring has the same wear and is likely to fail soon - New springs will be matched in tension - Saves the cost of a second service call - Ensures even operation
Spring replacement typically costs $150-$350 for parts and labor, depending on:
- Type of springs (torsion vs. extension) - Number of springs - Size and weight of your door - Whether cables and hardware also need replacement
While springs will eventually wear out, you can extend their life through:
- Keep springs lubricated with garage door lubricant - Schedule annual professional inspections - Address any operational issues promptly
- Don't overwork the opener - Ensure the door is balanced - Don't hang objects from the door or tracks - Keep the tracks clean and aligned
Consider upgrading to high-cycle springs, which can last 25,000-50,000 cycles – significantly longer than standard springs.
Garage door springs are essential components that require respect and professional handling. By understanding how they work, recognizing signs of wear, and calling professionals for service, you can ensure your garage door operates safely for years to come.
At Garage Door Montebello, our technicians are trained in safe spring handling and carry a full inventory of springs for most door types. Contact us for fast, professional spring service.