Use hot soapy water and a brush to clean the tracks.
Van sliding door sticking.
Reinstall the doors and adjust the rollers to the correct height.
Move the door back and forth like you did in step 1 to help the door glide over the oiled areas.
In other cases it may be the wood door edge itself scuffing on the door frame.
Replace the wheels or spring load.
Inspect the rollers and replace them if damaged.
Each time you vacuum your floors use a small brush attachment or cordless vacuum to clean the sliding door tracks.
Each time you open it there is a little grab before it releases.
The most common cause of a sticking patio door is debris in the lower track.
The sliding doors of a van can easily become too stiff to close.
Open and close the door a few times to completely spread the oil.
Adjustment screws are located near the wheels on the top or bottom of the door which release or create tension on the wheels effectively raising or lowering the door.
If your sliding door is sticking or dragging along the tracks making a grinding noise the springs in the rollers could have become loose causing it to sag.
Your door is old and worn out.
Both the top and bottom tracks should be cleaned.
This channel easily becomes clogged with dirt and leaves because people and pets walk over it whenever they go in or out.
To fix this you can adjust the height of the rollers by the screws on the rollers.
The first step in troubleshooting a sticky sliding door is to open it all the way and then clean and oil the tracks.
Here are the basic steps.
Remove the sliding door.
Turn the screw clockwise half a turn to raise the door or counterclockwise to lower it and test the door to see if it resolves the problem.
The following article will instruct you on how to properly lubricate the sliding doors of your van.
In some instances you have a door that sticks along the strike area the metal part of the door frame where it meets the outermost edge of the door.
Step 1 lift the tailgate.
If the door is still sticking try using a screwdriver to adjust the height of the rollers.
This will actually help to move around the lubricant into the harder to reach middle area where the door is constantly sliding and experiencing the friction that makes it stick.