Garage Door Parts

Think back to when you were a child, or even now, opening a box of legos and trying to figure out how to put everything together to look like the picture. All these parts and you have no idea what part goes where. Maybe you feel that way when looking at garage door parts, all these pieces in front of you yet what are the different parts for. But after you familiarize yourself with a few of the main pieces, everything looks a little less complicated. What we are going to do is review some of the main garage door parts and their functions.

The Springs on a Garage Door:

Garage Door Springs

Garage Door Spring

Extension springs are mounted on each side of a garage door wall. These are powerful springs that are run under a very high tension and give a garage door the strength to lift the weight of the door up and down. The tension spring holds a tremendous amount of tension, and winds up when your garage door closes. These springs help make even the skinny guys feel like superman when opening a closing a large garage door.

What Parts Hold it Together?

The brackets and hinges hold a garage door together. Anytime they get loose or damaged, they need to be replaced. Be sure to check you brackets frequently to make sure they are secure and still in good shape. Especially if where you live you go through an extreme temperature change with the shift of seasons.

What Garage Door Parts Make it Move Up and Down?

The tracks and rollers on a garage door are what allows a garage door move up and down. The rollers are connected to the tracks. There are two sets of tracks: vertical and horizontal. The vertical tracks run alongside the garage door walls, while the horizontal tracks run along the ceiling. They need to be oiled and lubricated regularly to keep them maintained and last longer. Also make sure they are free from any debris that could cause extra friction. I used to get ice and snow build up during the winter that caused the garage door not to fully close.

How Does a Garage Work with a Remote Control?

The motor drive gives a garage door the power to open and close from a remote control. A garage door will either have a belt drive, screw drive or chain drive. The belt drive is the most popular motor drive, because it is quiet and smooth. The screw drive is very slow-moving, and the chain drive is the most economical. (We will talk further about the different garage door openers next week)

As your garage door ages and becomes worn, there may come a time when you need to replace garage door parts. Here are some of the more common garage door parts that you will be likely to change as time goes by.


Garage Door Roller

Garage Door Roller

Though not as common to fail as some of the other parts, the rollers that ride in the track have been known to fail from time to time. There is a steel track on either side of the garage door that guides the door up and down. These rollers ride in that track and can become broken, or the bearings worn out. To prevent further damage to the door they should be replaced as soon as you can possibly do it.

Cable Drums

Another garage door part that tends to fail from time to time are the cable drums. These wear out in the center hole making it difficult to open and close the doors at times. Bad cable drums can also create problems for the cable that rides on them, and so when there is an issue found with them, the cable should be checked as well.


As time goes by, the cables will begin to wear and become frayed. This is one of the garage door parts that is essential to replace in a timely manner if it begins to show signs of wear. There is a lot of tension on these cables as they connect to the garage door springs and if the cable wears enough,  it can snap.

Other Things to Check

Keep on Eye out for Rust!

There is no set life span for any part of a garage door. Actual wear depends on a number of factors which can include climate and weather patterns, usage and a number of other factors. Knowing this, take care to inspect the garage door parts on a regular basis to prevent potential problems. Some of the garage door parts you should be checking are:

  • jamb brackets
  • spring fittings
  • torsion and extension springs
  • top and bottom brackets
  • hinges
  • track

Simply checking things occasionally and making repairs when you notice existing problems can go a long way to make your garage doors last longer and work better. It’s probably a good idea to keep a few extra garage door parts on hand so when you need to make a repair — it   can be done quickly. Be sure to check out for garage door parts.

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