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

https://repairgarage370.theglensecret.com/broken-spring-replacement-tips-for-freezing-morning-garage-door-problems-1

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.