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