How To Install An Extension Springs On A Garage Door

Garage door springs must properly match the door s weight.

How to install an extension springs on a garage door.

Garage door springs must be properly balanced to operate efficiently and they can experience a reduction in tension over time. Installation of a standard extension spring for an ideal garage door. If the door seems too heavy to lift adjust the springs. Don t stretch the springs so far that the sheave on the spring and the stationary sheave touch when you retest the door.

Release the tension on side mounted extension springs by lifting the door and locking it in place on each side with a pair of locking pliers. The new spring s diameter length and wire size or gauge must be the same as your old spring. If both springs are the same length the garage door should be level across the floor. Door opens and closes too slowly.

How to choose garage door extension springs. Tie the extension spring to the roller track then detach the cable from the bottom bracket with a pair of pliers. Be sure the door is open and supported when doing this. If the extension springs are not the same length open the garage door and change the location of one of the s hooks so that when you close the door both springs are the same length.

The easiest way to do this is to take the broken spring to a local garage door dealer or home improvement center so they can help you find an exact match. Springs for one piece doors are wound more tightly and operate differently than extension springs for sectional doors. A broken spring can prevent an electric door opener s motor from reaching top speed so a. Lock the door open again with c clamps or locking pliers and stretch the extension springs another one to two inches with the garage door in its fully open position.