To remove the patio glass sliding door - open it to the center of the opening, lift and pull outward at the bottom.
After the patio glass sliding door is removed from its track take the opportunity to remove debris in the track using a stiff brush or a vacuum cleaner.
Replace your old rollers with new ones by removing your old patio
glass sliding door rollers from the door and matching them up to one found in Swisco's online catalog
section of
patio glass door replacement
hardware .
See
Also: How-to guide on replacing sliding glass door
rollers
To install a new patio sliding door track cut a stainless-steel channel to the length of the dented track then snap the channel onto the old track, pressing it down with a wood block. Readjust the rollers by turning the roller adjusting-screws.