How to Replace Garage Door Springs
12 min read • Brokentop Garage Doors
Safety Notice
Garage door torsion springs store 200+ pounds of force. This is the most dangerous DIY garage door repair.
This guide is educational only. Oregon law (ORS 701.026) requires licensed contractors for spring work.
Need help? Call 541-203-7676 for same-day service.
Your garage door spring just snapped with a loud bang. The door won't budge. Now you're wondering: can I replace this myself?
Here's the honest answer from someone who's replaced over 2,000 springs in Central Oregon: torsion spring replacement is the most dangerous DIY garage door repair. These springs store 200+ pounds of force. One mistake can send you to the ER.
This guide walks you through what's involved so you can make an informed decision.
Tools & Materials Needed
Required Tools
- Winding bars (proper size for your spring)
- Adjustable wrench
- Socket set
- Ladder
- Safety glasses
- Work gloves
Materials
- Replacement torsion spring (matched to door weight)
- Replacement cables (if worn)
- Lubricant spray
Estimated cost: $150-300 for parts (professional service: $250-350 total)
Step-by-Step Process
1 Identify Your Spring Type
Most residential doors use torsion springs mounted above the door. Extension springs (along the sides) are less common but equally dangerous.
Note: Take photos of your current setup before starting any work.
2 Measure the Spring
You need three measurements: wire diameter, inside diameter, and overall length. These determine the exact replacement spring required.
Tip: Spring specifications are critical. Wrong springs can damage your door or cause injury.
3 Secure the Door
Clamp the door track to prevent the door from moving. Disconnect the opener.
Warning: Never work under an unsecured door.
4 Release Spring Tension
Using proper winding bars, carefully unwind the spring. This is the most dangerous step - the spring is under extreme tension.
Critical: Never use screwdrivers or substitutes for winding bars. They can slip and cause serious injury.
5 Remove the Old Spring
Once tension is released, remove the hardware and slide the spring off the torsion tube.
6 Install New Spring
Slide the new spring onto the torsion tube. Reattach hardware in reverse order.
7 Wind the New Spring
Using winding bars, add the correct number of turns. This varies by door size and spring specifications.
Tip: Count quarter-turns carefully. Over or under-winding affects door balance.
8 Test the Door
Remove clamps, reconnect opener, and test. The door should lift smoothly and stay in place when partially open.
Common Issues
Door feels heavy
Spring may need more tension. Add 1/4 turn at a time until balanced.
Door rises by itself
Too much tension. Carefully release 1/4 turn at a time.
Door doesn't stay open
Spring tension is insufficient or spring is worn.
Frequently Asked Questions
How long do garage door springs last?
Standard springs last 7-10 years or about 10,000 cycles. High-cycle springs can last 20+ years.
Can I replace just one spring?
We recommend replacing both springs together. If one broke, the other is likely near end of life.
Why is professional service recommended?
Spring replacement causes hundreds of ER visits annually. The cost difference between DIY and professional is typically $100-150, but the professional has insurance, proper tools, and experience.
Final Thoughts
Now you understand what's involved in garage door spring replacement. Most homeowners who read this guide decide to call a professional - and that's the smart choice.
At Brokentop Garage Doors, we offer same-day spring replacement in Bend, Redmond, Sisters, and surrounding areas. Our licensed technicians carry replacement springs on every truck.
Call 541-203-7676 for a free estimate or to schedule service.