The garage door may have looked fine in the dark, but after the spring snaps on a cold morning, it becomes heavy, stuck

https://springrepair356.wordcanopy.com/posts/garage-door-opener-installation-after-a-snapped-spring-leaves-you-stranded

The garage door may have looked fine in the dark, but after the spring snaps on a cold morning, it becomes heavy, stuck, and clearly broken.