The front and rear gaps are about the same 7 5 7 8mm.
Vanagon sliding door adjustment.
To fix your van door and make it open smoothly get some spray oil like tri flow and spray oil on all the rollers top middle and bottom.
The hardest part of the whole process was getting the sliding door track cover off.
Most minivans use a similar system.
Is it leaking at the back.
I have an 81 vanagon.
A picture woudl be helpful.
Currently it has a good flush alignment in the front but the rear sticks out around 15mm from the body panel.
Next open the door and support it working in my carport i used some tires when i work on the sliding door i use my floor jack under the sill this also allows for adjustment of the door for final assembly.
I had to pound and pound and pound on the thing with a block mallet to the point i thought i was surely going to bend stuff.
Once the rollers on.
Front of sliding door fits flush with front.
Would love to have some advice.
Easiest adjustment is the big bolt on the rear frame center area of door that the latch mates with when door is closed.
I need some advice on how to adjust the sliding door rear side so that the door lines up with the body panel.
The placement in the door and the hinge is differnet than the one in the pictures.
After that door removal itself is pretty easy with a helper.
All sliding doors 85 and up use the same rear mechanism.
Are the gaps in front and back with the door closed about the same width.
Good thing i was repainting that cover anyway.