Once those two steps are taken you should be able to carefully remove the door from the track.
Out of square sliding glass door.
For the trim wedge a flat pry bar underneath the edge on one end of a section and gently pull the casing away from the wall.
This enables the door to come out easily.
You should now be able to freely lift the sliding glass door out of the frame and out of the track.
Place the door on a pair of sawhorses for easy access to the rollers on the bottom.
Once removed have your partner help you tilt it and move it out of the doorway.
Then remove the door stop at the top of the frame which should be as simple as unscrewing it.
I think we have the details for the contractor that installed the doors 15 years ago and will give them a call to discuss repairs.
Then tilt it slightly with help and remove it from the upper track of the door frame as well.
Every sliding glass door has adjustment screws that hold the rollers of the door in place.
While you might be able to jack up the house with the door frame in place you d need to go slowly since it took many years to settle to keep from breaking or damaging the wood frame or any plaster on the walls.
4 removing the sliding door before removing the door slide it to the point in the track where you see an indent.
Just pull the hinge pins out of place tapping them from beneath with a screwdriver and mallet if necessary.
A rock launched by a lawnmower just shattered the glass on our andersen brand sliding patio door.
The best solution is to square the frame back up by jacking up the low side from under the house then your door will work fine.
The door is simple enough.