Replace the roller screws and use your phillips screwdriver to turn them clockwise until tight.
How to change rollers on sliding glass patio door.
1 your patio glass door will have two separate glass units.
Place the screen doors safely off to the side until you are ready to put them back.
Make sure the rollers spin sufficiently before re installing your sliding glass door.
How to replace the rollers on your patio door.
2 you may need to create more room when you attempt to remove the sliding unit from the door frame.
First lift the rollers off the track by sliding a flat head screwdriver or putty knife under the roller and pushing up.
Remove the screen door if you have one.
One unit is the door that you slide and the other unit is stationary.