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

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Garage door does not function makes couple of buzzing sounds only

My garage door does not open makes 2 buzzing sounds as if its attempting to open; the green light at the overhead flickers at the same time and then it quits with no action This is Chamberlain Lift Master 1/3 hp garage door opener. Please help Thanks!

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  • jshamim Jun 02, 2009

    How will it look like? What should I do if it is stripped?



    Thanks

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Remove the cover and check out the drive gear. It is white nylon and is probably stripped.

Posted on Jun 01, 2009

  • Don Maggard Jun 02, 2009

    The teeth will be worn off and you normally see what looks like white sawdust on the cover you remove.

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