Question: how to replace a torsion spring?
Answer: Lock down the door. Clamp the door to the track. ... , Unwind the unbroken spring. Use two winding bars. ... , Secure the torsion tube. Use locking pliers. ... , Remove the old spring. Slide the torsion tube over. ... , Buying replacement parts. ... , Install a new center bearing. ... , Thread the cables. ... , Wind the garage door tension springs.