garage door opener died

I have an Overhead 1055 garage door opener that suddenly died. Before going completely dead the motor grunted a couple of times. Do the motors typically fail like that? It is any use trying to replace the motor? If I replace it, should I stick with chain drive or try another style, e.g. what's considered the best today?
thanks
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If the motor bearings went, it could do the grunt thing a couple of times and then freeze up. Pull the motor out and see if it will run with no load. If it runs with no load it may stall under load so don't get excited yet. See if the mechanism is movable or if the good motor is trying to turn a frozen drive system.
Chances are you can lube the drive mechanism but not the sealed bearing motor. If it is the motor, check with a place like Grainger for a replacement. The cost will determine if it is worth replacing or by a whole new unit. Ed
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Mine did the same thing, right after a lightning storm. I looked up the part number on the Sears web site and they gave me different part number. A couple of garage door folks said the board was available only from Sears. I get nervous when parts become really hard to get when the product is only 5 years old. I went to Lowes and bought a Chamberlain and changed the head out in about an hour. Now I have all new parts that match and work together.
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I did take the cover off the unit and immediately saw "Motor Starting Capacitor"...hitting the switch at times makes a clicking sound, I think coming from this device, and other times not...could this capacitor be the problem??

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First off, forgive me for not knowing what a 1055 is. Does this operator have a name, or just a numeric designation (legacy, python, overdrive, (maybe a 1000 ss) etc...)? How old is the unit? Motors don't usually just Die. If the units designation is numeric, change the starting capacitor first. That could easily make one "grunt" and then die. If it's got a "name", we'll need to know what it is before any speculation is done.
As far as a replacement goes... You can't really go wrong with a chain drive. The screw drive "excellerator/overdrive" is kind of "iffy" in my book (a normal screw drive is fine, but messy) and you do not want a chain pusher ("python/chain glyde"). good luck, Joe

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