A garage door spring snapping on a cold morning often announces itself with a loud bang

https://www.scribd.com/document/1063477564/Garage-Door-Repair-for-Morning-Emergencies-Caused-by-Cold-Weather-Spring-Damage-186115

A garage door spring snapping on a cold morning often announces itself with a loud bang, then reveals a door that has lost its balance and its ease of motion.