If the garage door still only opens halfway the problem is with the door.
Garage door only opens part way cold.
If this is the reason your garage door is not functioning properly the lubricant must be applied.
Another reason that your garage door won t open all the way in cold weather is probably that the metal has contracted.
Depending on what brand and model of a garage door opener you have you ll make these adjustments by either turning the screws located on the side or pushing the colored buttons.
Some older garage door openers do not have nicely labeled adjustment screws for force and travel limits.
If the door reverses part way down and you are sure there is no obstruction or binding increase the closing force a small amount and try it again.
If your garage door won t open in cold weather the first suspect you should check is the grease that runs the tracks.
The up force may also need to be adjusted.
Grease and lubricants normally make a garage door open with ease.
You may need to adjust the garage door to prevent the friction when it is cold.
Weather effects if your stuck garage door coincides with weather changes you may need to adjust the pressure on the opener.
When the weather turns cold however it is possible for the grease to coagulate making it difficult for you to get your garage door to open.
In cold temperature the space between molecules reduces making the metal shrinks.
The solutions the cold weather may be effecting your rollers making them stiff and unable to work as well.
If your garage door still only opens partially then try adjusting the travel and force settings a little more.
If the garage door connected to your liftmaster opener only opens part of the way or it begins to open but then reverses check the track and the surrounding area for any objects that may obstruct.