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

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All of a sudden my garage door opener is only allowing my garage door to open half way. The door has probably only been used a dozen times yearly since purchasing it 6 yrs ago . used it a lot this past month and it worked fine up until yesterday. Any suggestions?

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Check the door springs and the drive gear.

Posted on Nov 08, 2010

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