How to Adjust Garage Door Tension. You need proper tension on a garage door to operate the door by hand or with an automatic opener. If the tension is too loose, the springs that help lift the ...

To increase tension for a door that's difficult to open or closes too quickly, wind the cone up (in the same direction as the garage door cable goes through the pulley). To decrease tension for a door that isn't closing fully, is difficult to clos

Test your garage door’s balance by disconnecting the opener if applicable, then leave the door open at different positions and watch for up and down movements to determine whether you need to add or remove tension from the springs. It’s important to k