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

https://doorspring374.wordcanopy.com/posts/off-track-door-roller-replacement-or-broken-spring-replacement-what-your-door-needs

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.