I found all these plastic pins and brackets to be fragile.  I bought some large stainless screws which fit the openings into which the retainers are supposed to fit, and screwed 'er down tight.  Works great, and a radiator shop owner who'd just worked on another one without the screws complemented me on what I did.  Seems much better to me.

---- Jim Felder <jim.felder@GMAIL.COM> wrote:
> All vangons with lower (stock) grills work the same way. Get a pair of
> longnose pliers and pull out the plastic fasteners. You can now list the
> grill out. Remove them all the way, push the big part back into the holes in
> the body to reinstall, then lock by reinserting the fastener pins.
>
> Jim
>
> On Fri, Jun 4, 2010 at 6:50 PM, ron johnson <rcj.yes@gmail.com> wrote:
>
> > I am in need of removing the lower front grill - one would expect simple
> > screws to be holding it on, but no.