Things You'll Need:
- Phillips head Screwdriver
- WD-40 or similar Mechanical lubricant
- Toothbrush
- Wet rag
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Step 1
Spray the rollers and the sliding glass door's bottom and top frame with WD-40 or similar mechanical lubricant products. Sometimes, the problem may be that the moving mechanisms of the door have become rusted or rough. The mechanical lubricant can reduce this friction to allow the glass door to slide again. If this does not fix the rollers, continue to Step 2.
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Step 2
Remove the sliding glass door from its frame and roller track. Depending on your door model, you may be able to remove the sliding glass door simply by lifting it at an angle to pop it out of its frame. Alternatively, you may need to use the screwdriver to undo the bottom roller track to make space for the door to slide out.
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Step 3
Remove the door's rollers after taking the sliding door out of its frame. Use the toothbrush and rag to give the rollers a brisk cleaning. Dust, hair and other debris may be caught in the gears of the wheels and prevent the rollers from functioning. Reinstall the door after cleaning the rollers and roller track. If it still does not function, continue to Step 3.
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Step 4
Remove the door again and replace the rollers and the roller track. Remove the noted pieces of hardware and take them to your local hardware or home remodeling store (e.g. Ace Hardware or the Home Depot). Show the hardware to a store worker to find replacements. It is critical that the replacement match the original hardware perfectly.
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Step 5
Reinstall the rollers and test the door. To maintain the door's functionality, clean the rollers and track and coat regularly with lubricant.







