Hi,
  Is there a way to tighten up the door stops/brakes in a 90  Vanagon to
keep the front doors from swinging open so quickly when  opening from inside
the van?  Or, do I need to purchase new ones?  I  keep having close calls of
my door banging into that shiny, new Mercedes Benz  when opening the door
from inside the van in a crowding parking lock.  Your  suggestions are always
appreciated.

David