Why Does My Garage Door Slam Shut

A slamming garage door is a sign that the garage door spring is weak and to prevent it you have to replace the spring with a new one.

Why does my garage door slam shut.

On a properly functioning garage door there are springs in place to make the garage door close slowly instead of slamming down. This is not only a nuisance but it can also cause damage to the door components. Too little tension will cause the door to want to drop. Worn or improperly installed door hinges can lead to a slight imbalance which in turn can lead a door to slam on its own.

If this is the case then the worn springs will need to be replaced. This is a none too uncommon problem on newly installed garage doors where the opener might be set to an arbitrary factory setting that doesn t suit the door in question. Another way to fix a garage door slamming is to reduce the garage door opener s close force settings. When this happens the door will close at a fast rate and slam shut.

When a garage door closes there are springs in place to allow the door to lower slowly rather than slamming into the ground. There may be another sensor near the motor that tells the unit how far to let the garage door go down. However this is a temporary fix. This is a dangerous job and not a suitable one for a diy project.

You can usually tell if a torsion spring is broken by looking at it. If your garage door is falling down when closing you should look to replace the springs. If this is set too short your garage door may not shut all the way or it may slam hard on the ground and go back up. Many doors utilize a closer to ensure they shut slowly after opening.

However if your garage door has been slamming shut for quite some time it may be damaged beyond repair and needs to be replaced. Favorite answer a loud thud at ground level is as was stated by the last fellow a problem with your door s spring tension it needs more. Over time the valves that control the flow of air or fluid depending on the type of closure can lose their adjustment. A garage door stuck closed is often the result of misadjusted sensitivity settings.

If your garage door is falling shut rather than closing slowly there is most likely a problem with the garage door extension spring. This issue happens less often than a blocked or off track sensor. Open your door to a 90 degree angle and then set a level against the latch.