I have an issue where I have daylight showing almost along the entire bottom length of the sliding door after having it replaced (new replacement rubber seal already fitted). I replaced the bottom roller as the old one was seized but after swapping doors, the daylight gap has appeared. it was adjusted as best as could be when fitting it to get it lined up right but the gap is letting in a lot of road noise. I have seen on ebay some "short arm" bottom rollers, are these made for a specific door, model or what? I'm thinking this might solve the issue if it pulls the bottom of the door in further but don't want to buy one having already bought the standard replacement arm incase it's either for a wrong door/model/fitment etc? I don't know if the new door came off a caravelle or a normal panel van and am also unsure if this would make any difference to the fitment so was just after advice on anyone who's used the "short arm roller" and why it was used and if it pulls the bottom of the door in further?