I will let this one go. Mike Miller do you want to step up to the plate :)

> I *just* finished bleeding the cooling system on my Vanagon when I DROPPED
> the bleeder screw down into that netherland that comprises the front of my
> van. I checked everywhere for it. I even let the van roll backwards (I
have
> a sloped driveway) and then slammed on the brakes, hoping to dislodge it
> from its hiding place. No luck.  So, what size is that screw? It's the one
> that fits in the bleeding hole on the passenger side of the radiator. Is
it
> even supposed to be a screw? I got the impression from the VW service
> manual that it was a bleeder valve of some sort.
> Thanks,
> Joel
>