How To Repair A Garage Door Opener Gear

Reassemble the motor assembly and place it back in the opener.

How to repair a garage door opener gear. Garage door opener won t open all the way fix. Here are the eight most common problems along with the most likely repairs for each. This is a video on how to change the gear sprockets in a craftsman garage door opener. Test your repair with the garage door disconnected from the opener trolley.

This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener. Then install the helical gear assembly. If the gear and sprocket assembly breaks the motor runs but the door won t move. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.

Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. When your garage door opener suddenly stops operating properly the cause of the problem is usually pretty simple to understand and the solution is usually quite easy. Amazon and other online retailers carry many popular gear kits ranging in price from about 18 to 30. This is the plastic gear that comes in direct contact with the worm drive gear on the motor.

Several components will need to be removed to get at the gear. Chain driven garage door openers should have some slack in the chain for optimal performance. This was a craftsman model 139 53976srt. It can be a complicated repair but not impossible to do yourself.

Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast. Reattach the chain and tighten it to the proper tension see your owner s manual. Coat the gear teeth with new grease. You ll need to get a replacement gear set.

If none of the following fixes seem to correct the problem you will need to consult the owner s manual or contact a professional. Required tools for this project. If you are in a bigger hurry you should be able to find a kit at a local garage door opener dealer. You can put the chain back on your automatic garage door opener using a simple adjustment mechanism.

It s one of the most common garage door opener repair problems there is. Find the make and model of your garage door opener and then start shopping for a new gear kit.