There are two types of pulleys.
Garage door shimmies closing.
But it still shakes.
I have a single car garage door driven by a craftsman belt drive.
The first part of the closing is relatively smooth but as the door gets to about half way down on the guide rail.
If you garage door is lowering then reversing back to the open position there could.
My garage door opener starts to close then goes backs up.
Once you ve determined the proper length of tube to block the sun from the electric eye you may want to go to a hardware store and invest in some plastic or rubber tubing that would be more.
Get shopping advice from experts friends and the community.
The motor and drive seem to work fine but when i want to close the garage door there is a lot of noise and the door seems to move down in jerks and starts.
Most companies use a press fit pulley which is made up of two separate pieces attached by ball bearings onto the.
Jedi for months i noticed that my garage door shakes when it closes.
All these situations will cause the sensors to tell the garage door opener not to close there could be an obstruction.
Press fit pulleys and cast iron pulleys.
9 times out of 10 the sensors have been bumped have something in front of them or are just plain dirty.
If your garage door shakes when opening or closing or sounds like it is going to fall off the track the problem is most often the pulleys.
So i finally got some wd 40 and sprayed the track.