To see if your rollers need replacing inspect each of the rollers by watching them as they go up and down the track.
Changing garage door rollers on youtube.
For added safety unplug the garage door opener from the outlet.
A how to video on changing garage door rollers.
This video shows the simple steps to replace a garage door roller.
If one or more are not rolling and or appear damaged it should be replaced.
Start by opening your garage door completely.
Do not unscrew the bottom plate with the roller in it.
Update the new z bearing rollers are 100 000 cycles pricing.
Place a clamp on to the track about 2 3 of the way up the door opening.
If your garage door seems to get stuck or is jerky it may need a new garage door roller.
Some people actually try to remove the entire garage door and this.
Release the garage door from the power opener by pulling on the attached release rope.
How to replace garage door rollers instructions.
Change the bottom roller at your own risk.
This is a much easier way to replace the castors.
This job can be done in about 5 minutes.