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

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Craftsman 1/2 hp opener clicks and grinds but doesn't work

Daughter came home from work and the door struggled to get open and then it wouldn't do anything when she pressed the button to close. We checked the sensors and they are fine. Landlord said since it broke when we were using it I have to fix it. I disagree but once again I'm the one that needs it working and it took him 2 months to fix the leak in the kitchen. I need a quick and easy fix for this problem that isn't expensive. Garage places said it would be $130.00 for them to come out and fix it. They think the gears went out. I am divorced and EX kept the tools so any assistance I can get is appreciated.

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  • Teresa Farias May 24, 2009

    Well, I'm not sure that I want to attemp that. I would need to get the kits and the tools and I'm tight on cash. Will keep this in mind if something better doesn't turn up. Thanks!

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I had a similar problem with a Craftsman opener. There are 2 gears that are in the housing, these are made of nylon/plastic and are built to wear out over time. My model was 139.53664SRT , the gear kit is 41A2817 and you can order the entire thing from Sears.com. If you get the housing off you can see if you just need one of the gears, either the drive gear or worm gear , you can order those off of ebay pretty cheaply. You'll need screwdrivers and probably some wrenches to get things apart and install the new gears, you'll also need to use lithium grease on the gears, that keeps the gears from eating each other up too quickly.

Posted on May 24, 2009

  • rjantx May 24, 2009

    I understand it is pretty involved and unless you're pretty handy and have the tools it will be tough to get it done. You may look at getting both the gears off of ebay, about 10 bucks each I think and then get ahold of a handyman or a friend that can do the work. Good luck with the opener.

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Posted on Jan 02, 2017

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Don't know Mod. No. lost installation manual, approx. 5 yrs. old Need installation manual.


About 496,000 results (0.43 seconds) Search Results

    [PDF]GARAGE DOOR OPENER Model 3265 1/2 HP ... - LiftMaster

    www.liftmaster.com/.../en.../tucmanuals/114a3044.pdf Chamberlain GroupFasten the manual near the garage door after installation. .... This garage door openerhas been designed and tested to offer safe service provided it is installed, ...

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    Craftsman1/2 hp Chain Drive Garage Door Opener Opens by Remote, Inside and from Car Enjoy a great end to every day by ... Owners manual - English (Warranty).

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Feb 03, 2016 | Building Materials

1 Answer

The unit is displaying a sequence of 5 flashes with the amber light. When I try to open the door, it will only go forward and backward aprrox. 1 ft. Any suggestions on what I should do?


Craftsmsman 1/2 HP opener indicator light blinks five times ...

? 0:29
https://www.youtube.com/watch?v=AvXJd-tYCJ0
Apr 28, 2012 - Uploaded by bship452
Then showing the amber indicator light blinking 5 five times, stops ... push remote to operate opener, you hear a clicking sound from the unit. ... Show more .... blink 5 times (looks almost alike) If I forced the garage door closed, ...Missing: sequence

Sears Garage door opener problem - Home Forums

ths.gardenweb.com > Home Forums > Garages/Workshops
Jun 27, 2006 - Now, I cannot get the light in the sensor at the door to come on. ... the green LED went OUT about 1/2 way up the door opening sequence. .... other is working (I don't recall if it's green or amber, but know that it is lit.) ... Their is also a green LEDflashing 2 times every 5 seconds or so at control center of unit.

Craftsman Garage Door Opener Problem - Home Forums



Jan 05, 2016 | Building Materials

1 Answer

How so I program the two together? Struggling here


If the opener have the same color learn buttons you can program them on the same remotes using different buttons. If the learn buttons are different then you will have to get universal remote like a clicker to program them. You can get one at most hardware stores.

Jun 08, 2015 | Building Materials

1 Answer

I have a Craftsman/Chamberlain 1/2 hp 315mhz Garage door opener model 139.1845.DM just stopped working. The motor runs the chain moves, the door doesn't open. Whether I use the remote or pad still n


All garage door openers have a quick release. Have you checked to make sure that is locked in place? Most have a cord hangin from it and you pull it which releases it from the chain. Make sure that is engaged and it should work.

Dec 02, 2011 | Home Security

1 Answer

Myt 1/2 hp craftsmand door opener clicks and light


If the main light flashes 10 times when the door reverses it is a door sensor problem. Each sensor has a small light that needs to be lit and not flickering for them to work. They must be pointed at one another for the lights to be on. Tweak them a bit and see if the lights come on. If not you likely have a bad sensor.

Oct 22, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Opener operates on its own sometimes


maybe a short in wall wiring is causing motor to overheat and shut down for 15 minutes. try disconnecting wiring to wall pushbuttons and see what happens.

Dec 24, 2008 | Sears Craftsman LiftMaster Chamberlain...

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