This wear could damage the roller surface causing them not to roll correctly.
Grinding noise chain not moving on garage door.
If the chain was installed too tightly on the garage door opener it can make opening the door more difficult for the automatic opener.
This excess tension causes the gear that moves the chain to grind down.
Squeaky garage door or garage door grinding sound when opening or closing.
A constant grinding noise could be a sign that your garage door opener s chain or belt is either too loose or too tight either way it needs adjusting.
The door track rollers move each time you open or close the door leading to a lot of movement and causing wear.
The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
The main drive gear is the most common component to fail on most openers the gear alone should cost you less than 20.
If the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast.
If the gear becomes too worn it will no longer be able to move the chain.