There are a few items that you will need to collect before starting on this project. You will also need to wear a facemask and protective glasses to keep you from inhaling dirt or dust. The items you will need are not complicated and they are usually found in every household. These items are: Screwdrivers, a flashlight to help you get the brightest light you can, a vacuum cleaner to clean up dust and WD-40 to help with the squeaky door and help the door slide on the track easily.
Once the problem has been determined it is time to get to work. There can be many reasons why the doors are not sliding easily and smoothly:
The most common cause of this problem is that there is a build up of dust and dirt that causes there to be fuzz stuck on the wheels. Once it is found the fuzz can be easily removed with your fingers. The guide of the closet doors can have many things get stuck in there. Be sure that the guide is empty and free of dirt. The screwdriver can make a good tool to scrape dirt out of the track.
Keep scraping until the blade of the screwdriver comes out clean. If the doors are still not sliding smoothly you can spray some WD-40 on the wheels of the door. This will help the wheels slide and will also penetrate the dirt and dust that has built up on the track.
You will find that the doors for the closet will also drop down from the top clips of the doors. With the screwdriver it is possible to tighten these hangers. Once the hangers are tightened the doors can be tightened and put back where they belong.
Having the floors replaced can cause the track to bend and no longer be straight. Once again the screwdriver comes in handy. Using the screwdriver you should be able to put the track back where it was originally placed.
After following the steps listed above your doors should now be sliding and moving just like they are brand new again. For more information visit InteriorDoorandCloset