The two types of garage door springs are Extension and Torsion springs. The springs do most of the lifting when it comes to your garage door. There are large amounts of stress put on these springs, and eventually they’ll break down. If it’s not lifting properly, chances are you need a new spring. Here are some simple tips to see if your garage door springs are broken.If you heard a loud bang went off when opening the door recently, if the door is only opening a couple of inches – then stops, if you haven’t replaced the garage springs in the past 5 years or so, or lastly, if it’s visibly broken – there’s separation or gap in the spring itself.