Ordering USA made garage door springs online has never been easier than DIY Garage Door Parts. For information, great prices, fast shipping order today!.Garage door extension springs for sectional overhead type residential, commercial and industrial doors. We give instructions on replacing broken extension springs and .Industrail Spring Company is an industry leader in the manufacturing of springs for mechanical use and garage doors. Also, offering replacement and spring servicing..Garage Door Springs How to Replace, How to Buy. Free parts! Order by PM CT for same day shipping on springs for residential commercial sectional .
Vise grip the track just below the roller on the side of the door that does not have the broken extension spring. . Repeat this process for the other side of the garage door. Remove the cable from the stationary pulley, and replace the pulley if necessary..