FIXING a broken Liftmaster 8500 Garage Door Opener!!!

Skip to 6:25 to see my fix, and be sure to try that first before replacing parts! My Liftmaster 8500 garage door opener was having issues, and after calling Chamberlain (owns LM) they recommended to keep replacing parts. In the end, I essentially replaced everything but the fix didn’t require any replacement parts!

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How to change the gear and sprocket in a garage door opener - LiftMaster Chamberlain

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LiftMaster 8500W Garage Door Motor - One Major Flaw

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How to Replace an AC/DC Logic Board in a LiftMaster Garage Door Opener Using a Service Kit