they changed mine because it was leaking at the seam!
i cant remember were it is in the forum, but if you do a search for gas tank stuff in the kia section here, there should be a post by lou i think it was that has the pdf on the recall with all the info. thats what i emailed to my dealership to get them to do the american recall for me.

2000 SPORTY, DEF BOY customs, mmm....lockers, mmm... gears, mmm... double transfer case, mmm... stroker