How To Open Garage Door With Only One Spring That Is Broken. Attempting to open a garage door with a broken spring is dangerous, and not recommended by professionals. If your garage door spring snapped like mines and wonder if you can fix it yourself then you definitely can but need to be very cautious when winding up the.
But opening the door is not that easy as it is quite heavy and requires a strong adult who can pull up the door safely. It can cost about $350 to replace both springs. The garage door panels can cave in, your opener may break a gear or burn out, the chain or belt may break or the trolly may sheer off.