Updated June, This page is a description of how I replaced torsion springs on a garage door. You may find that my experience either frightens you from trying such a stunt yourself, or encourages you to give it a try. Garage door springs offset the weight of the door and allow it to open and close with ease. A problem with the spring tension could cause the door to open or close unevenly, improperly, or at the wrong speed, and adjusting the springs will likely solve the problem. Garage doors come in different. Find the best prices on garage door parts, garage torsion springs and garage openers at Pro Door Parts. At Pro Door Parts we strive to have the best prices and the largest selection of garage door replacement springs and parts online.