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My garage door works perfectly when it's above 45 degrees. As it gets colder I have to hold the wall mounted master garage door opener/closer in to have the garage door close. It opens fine. I've lubed the rails and rollers, chain, chain sprocket, pretty much everything. This is the second winter in a row where it has not been able to close with one hit of the remote or the wall mounted switch. The unit is a Sears Craftsman 1/2 hp, chain, mfg in 2010.

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  • Does it close smoothly when you disconnect the opener and run it by hand in the cold? – ThreePhaseEel Oct 30 '20 at 0:10
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    I just went outside and ran the door up and down by hand a couple of times. There are no constrictions and it glides up and down without much effort. – Brian W Oct 30 '20 at 14:22

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