Garage door spring replacement is a delicate and sensitive home improvement service that professionals should do. This critical piece of hardware can actually leave you trapped inside or outside your garage door. Springs are mainly responsible for carrying the entire weight of the door. With this, springs are interconnected to other important parts of the garage system, such as the cables, tracks, opener, etc. Consider the springs as the heart of your entire garage system. While most spring problems can be repaired, others require a complete replacement. It is important to realize that if your spring breaks or has the potential to break soon, you’ll need to get it professionally replaced.