If the door of your vw doesn t sit flush with the car body the door buffer needs adjustment.
Vw t4 sliding door adjustment.
In this video i replace the middle roller of a vw t4 transporter see description for links to rollers.
This video explains how this works.
Then swing open the door 45 degrees.
If the sliding door on your van is hard to open and close or if it feels like the door of your van is stuck when you open and close it you can fix the stuc.
Brief explanatory video of what to address to maintain a sliding door on a vw bay window bus.
Shows components and explains how to remove sliding door.
First slide the door all the way back until it hits the rubber stops.
Vw transporter t4 hi had the same problem just found the fault it was a brcken wire causing relay109 to drop out.
In this short video i not only swap over a vw t4 sliding door but i also cover how you can adjust the alignment of your sliding door if it does not line up from the outside or if you can see light.