How To Change A Garage Door Extension Spring

Purchase new garage door extension springs.

How to change a garage door extension spring.

Open the garage door to remove all spring tension and clamp it in place. Once in place disconnect the. The easiest way to do this is to take the broken spring to a local garage door dealer or home improvement center so they can help you find an exact match. If both springs are old you should replace them both at the same time.

Disengage the broken extension spring one end at a time. Do not use a digital scale as they often will not respond to the door weight changing as rollers no longer stick to the track. Place scale under the garage door on the side of the door with the broken extension spring. This video will show you how to replace the extension springs on your garage door.

You may need to use a 2x4 or some other object to pry the garage door open. The following steps will walk you through how to replace an extension garage door spring.