I'm assuming that you've tried Citreon? as the van is only just past 10 years old then they should still by law hold a full complement of parts for it?
if this isn't successfull then try
do you still need help?
Bear in mind that the site takes a deposit from you at the beginning and this is held by the site until you rate my answer at which point the cash is split between the site and the expert. I am only paid for my work on this question if you rate my answer, using the star system at the top of the screen. Please do not forget! Thank you