Before you can replace your old roller you first need to remove the door panels from the track.
Replacing old sliding door rollers.
Always take the roller with you to the hardware store to avoid purchasing the wrong piece.
Replace the bottom frame.
However if the rollers are worn cracked or bent remove them photo 4 and replace them with a new pair.
Insert the replacement sliding door rollers into the cavity along the bottom of the door.
The first step regardless of what kind of door you have is removing the door from the track.
Make sure the rollers spin sufficiently before re installing your sliding glass door.
Then if you have a vinyl door unscrew the old rollers and slot in the new ones before screwing them into place.
In this video we show you how to replace a roller in a patio sliding glass door.
Replace the roller screws and use your phillips screwdriver to turn them clockwise until tight.
Clean the sliding door track of all dust and debris by using a vacuum cleaner before replacing the door panels on to the track.
Before installing new rollers adjust them to lowest possible position so panel is low in door not raised up.
Replace with the new roller and re insert the screws.
Replace the roller if the rollers or sliding glass door wheels are full of dirt and debris give them a good cleaning and a few drops of lubricant and see if they spin freely.
The right way to replace sliding glass door rollers depends on whether you have a vinyl or aluminum door.
You can find replacement patio sliding glass door hardware here.
The rollers are at the top and or at the bottom of the door.
Unscrew the rollers and remove them.
Take a roller to your local hardware store and purchase a replacement.
Using a hook tool we used a balance hook a bent hanger or needle nosed pliers grip underside of roller housing or roller adjustment screw through side of door and pull out.