This should take about 3 minutes and you don t need to remove the springs or loosen the tension to measure them.
How to replace a spring in garage door.
Replace extension garage door springs by following these steps.
Open the garage door to remove all spring tension and clamp it in place.
Take up the left garage door spring and put it by the left side of the door.
There are no cables or pulleys to deal with and the springs have internal safety rods.
A safety cable is threaded through the spring to.
Once in place disconnect the garage door.
Disengage the opener from the door.
Some garage door openers have a neutral position for the trolley disconnect.
If you have an older opener you may need to remove a fuse or flip.
Get it right the first time.
In order to replace your garage door spring s you will need to find the current measurements in order to accurately replace the spring s.
The left spring should have the wire coiling from the left the right spring should have the wire coiling from the right.
Unplug the power cord to your garage door opener.