On Dec 4, 8:53*pm, (horton)
wrote:
Now that the weather has dropped to the low 30's, my garage door opens up
erratically. *When it opens, it stops 1/4 of the way; then I reopen it
again and opens up 1/2 of the way, and so on. *There's no problem closing
it, just the opening part. *It doesn't do this during hot weather. *I've
lubed all the necessary parts, to no avail.

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My experience says that cold weather is a problem. You've got to do
the balance test and adjust the springs as need.
Seems like you need some more spring wrap.

Is the door made of wood? If so, does it gain moisture & increase
weight?

Indiscriminate lubrication is not a good thing.....lube the roller
shafts & bearing not the rollers or the tracks.
Replace crappy stock rollers with BB rollers w/ nylon wheels

Tracks shoudl be clean & dry, not greasy & dirty...rollers are to roll
not slide.

cheers
Bob