I haven't done this personally (I'm thinking about it) but I've read
where this rubber trim was removed and placed in hot water then
carefully stretched back to the original length.  The posts recommending
this are somewhere in the archives.

Mike

Kim Brennan wrote:
> Does anybody else have this problem in their Westy? Many pieces of
> "rubber" trim on my Westy (you know that gray plastic stuff covering
> the edges of the particle board and plywood) has (presumably) shrunk.
> For instance, one plastic trim piece on the passenger side between
> the side of the van and the AC housing has shrunk at least 2 inches
> (1/2 inch in the front, and 1 1/2 inches at the rear). Various other
> pieces have shrunk as well. Call me insane, but the exposed sections
> esthetically bother me.
>