It is the lift motor that pulls the door up and then lets it down so it can close.
Garage door closes with jerks.
If you have noticed that your garage door is jerking every time you open or close it you may decide to take action to make it open more smoothly.
In addition the track needs to be aligned correctly for the door to work properly.
I have a large spring over the door i do not have the side springs.
It might be damaged dirty or have debris in it.
I currently have a genie chain garage door closer.
After ruling out a problem with your garage door opener use the three step guide below to take steps towards removing possible causes.
Garage door jerks on opening.
It looks like the chain guide bangs into the door to push it.
This is almost always the result of a dirty or obstructed safety feature.
Garage door jerks when it closes.
When the rollers hit debris in the track it will cause the door to jerk.
I have tried limit and force adjustments and checked door movement in tracks not sticking to floor.
If your garage door is jerking it could be a problem with the garage door track.
The garage door runs on the track system that keeps it in place during opening and closing.
The door raises fine but when it closes the door gets jerky.
When the door is opening or closing it runs on a set of tracks which keep the door in place.
The door is probably 25 years old but the genie is only 5 years old.
You push the button to close the garage door.
My friend closed the garage door while the car was not quite in.
The tracks need to be aligned correctly and inspected for debris or damage if the door is jerking and shaking.
Check the tracks for debris and loose screws.
The lift motor is responsible for working in unison with the springs to pull the door up and lets it back down when it should close.
If your garage overhead is getting jammed or shaking and jerking as it closes the tracks should be checked.
Doesn t seem to be flexing at coupler attachment to ra.