The first step regardless of what kind of door you have is removing the door from the track.
Old sliding glass door rollers.
Replace the old sliding door rollers so that your door glides along the tracks once again.
One screw sits above the other.
The right way to replace sliding glass door rollers depends on whether you have a vinyl or aluminum door.
Sliding glass door roller assemblies become tired and worn out like the rest of us.
Find sliding patio door roller assemblies at lowe s today.
Look for the two screws on the bottom ends of the sliding door.
Window and door parts ireland how to replace the rollers on an aluminium sliding patio door another great instructional video brought to you by https www.