Unscrew and remove both aluminum stiles of moving panel.
How to replace rollers on older aluminium sliding doors.
It is not uncommon.
Replace the roller screws and use your phillips screwdriver to turn them clockwise until tight.
Remove the screen door if you have one.
As a result it is prone to wear and tear.
How to replace older sliding door rollers.
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.
The bottom line is your sliding door track has had the weight of the door rolling over it for more than a decade in some cases even more.
Repeat to other side again picking up glass and sliding bottom rail over so roller screw.
Look for the two screws on the bottom ends of the sliding door.
The lower screw is the adjustment screw.
Tilt the bottom of the door.
Aluminium sliding door track replacement.
One person lift up door while other slides bottom rail over so roller screw can be accessed.
Grasp both sides of the frame and lift the door up off of its tracks.
Place the screen doors safely off to the side until you are ready to put them back.
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.
Grasp both sides of the sliding door and lift the door up into the top track.
Make sure the rollers spin sufficiently before re installing your sliding glass door.