Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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Sears garage door opener

My door will eventually open, but it takes several attempts. Each time the door will go up some and to different heights, but not all the way up. Eventually it will open all the way.

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Sounds like a broken spring.
Look for a gap in the spring above the door.
Try disconnecting the door with the rope and see if it lifts manually.
Don't continue to use the opener if the spring is broken it will ruin your gear kit in the opener.
Hope this helps.

Posted on May 29, 2010

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