2 you may need to create more room when you attempt to remove the sliding unit from the door frame.
How to change rollers on sliding glass patio door.
Make sure the rollers spin sufficiently before re installing your sliding glass door.
Grasp both sides of the frame and lift the door up off of its tracks.
How to replace the rollers on your patio door.
Place the screen doors safely off to the side until you are ready to put them back.
Remove the screen door if you have one.
How to replace the roller assemblies in a glass sliding door i made this video because i needed to replace the slide rollers in my 10 year old glass sliding.
First lift the rollers off the track by sliding a flat head screwdriver or putty knife under the roller and pushing up.
Insert the new rollers in the door lining up the holes on the rollers with the holes in the bottom of the door insert the new rollers in place.