How To Replace Garage Door Opener Worm Gear

Take the garage door opener down.

How to replace garage door opener worm gear.

Remove the gear and sprocket assembly. Replace the cover on the garage door opener plug it back in and start enjoying your now functioning garage door opener. Install the new worm gear making sure the roll pin is properly seated in the new gear. Only replace the parts that are used on your garage door opener.

Re install other components in reverse order. Slide the outer trolley away from the inner trolley. With the gears back in place tighten the chain as directed in your owner s manual. Liftmaster garage door opener won t open or close.

Remove the chain and cable assembly. Unplug the garage door opener. For example i found an oem gears repair kit for my linear ld050 garage door opener sold by the manufacturer for less than 15 here this is an amazon affiliated link. Remove the 3 nuts that hold the motor to the frame and then remove the worm gear.

It included every serviceable part i could possibly need to this repair and even had the lubricating grease included. Pull the chain off the motor unit sprocket and out of the chain spreader. Lay the chain on the garage floor while you complete the repair. Put a thin layer of the grease included in the kit on the gear.

This was a craftsman model 139 53976srt. Replace the stripped gears duration. Use a step ladder to access the garage door opener s power cord and motor unit. This is a video on how to change the gear sprockets in a craftsman garage door opener.