Thanks to Rob and Ashton for their input.

Frank

On Mon, 21 Jun 2010 09:33:54 -0400, ECLiPSE 2002 >
wrote:

>
>I discovered that the cap on the low pressure port of my 2004 T&C van
>was missing and wonder if this has caused any problems. Is its purpose
>merely a dust cap (if so would any tight fitting cap suffice) or does
>it have other purposes?
>
>Next problem is where to find a replacement without being raped by the
>dealer. Anyone know where I might locate one?
>
>Frank
>