I had the same problem with exposed mud falap holes.
I used ace Hardware rubber plugs that look as though they were meant to plug
the holes as a factory item.
It cost $1.00 for four of the rubber plugs.
Plastic plugs of the correct diameter are also available at Ace in the
assorted hardware asle.
Ron

----- Original Message -----
From: "Tim Demarest" <tim.demarest@POBOX.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Tuesday, March 14, 2006 12:25 PM
Subject: Re: About those mud flap holes...

> I filled mine with clear silicone... you can see the bead up close, but it
> keeps the hole sealed, and is easily pulled off if I ever get around to
> installing my mudflaps.
>
> I've got this pair of holes at all four wheels (and a set of four flaps
> with pins to match), I haven't seen another van with this setup. Do I have
> some odd aftermarket version, or is this just an uncommon OEM setup?
>
> At 09:30 PM 3/10/2006 -0600, Jim Felder wrote:
> >I like everyone else has the holes in my westy for the mudflap--long
> >gone--meant to guard my propane tank.
> >
> >I am happy with the Bus Depot flaps I have on all four wheels. I will
> >probably never ever use those holes for their intended purpose.
> >
> >What do do with them? Find a chrome round-headed trim screw to bolt in?
> >Fill with bondo and Paint?
> >
> >What has anyone else done, if anything? Seems like a rusty seam waiting
> >to happen if they are not filled.
> >
> >Jim
>