The most common cause of a sticking patio door is debris in the lower track.
Van sliding door sticking.
Here are the basic steps.
This channel easily becomes clogged with dirt and leaves because people and pets walk over it whenever they go in or out.
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.
Use hot soapy water and a brush to clean the tracks.
Move the door back and forth like you did in step 1 to help the door glide over the oiled areas.
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.
Replace the wheels or spring load.
The following article will instruct you on how to properly lubricate the sliding doors of your van.
In other cases it may be the wood door edge itself scuffing on the door frame.
You ll need to first lift up the tailgate in the rear of the van.
Inspect the rollers and replace them if damaged.
To fix this you can adjust the height of the rollers by the screws on the rollers.
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.
Step 1 lift the tailgate.
Your door is old and worn out.
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.
Fixing the problem yourself is a lot easier and cheaper than a visit to the dealer or a garage.
If the door is still sticking try using a screwdriver to adjust the height of the rollers.
Reinstall the doors and adjust the rollers to the correct height.
Open and close the door a few times to completely spread the oil.
Each time you vacuum your floors use a small brush attachment or cordless vacuum to clean the sliding door tracks.
Remove the sliding door.
Yes it s that sticking door of yours.
Both the top and bottom tracks should be cleaned.
Each time you open it there is a little grab before it releases.