On Jun 21, 7:33*am, 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

I would try a salvage yard. One from another year and/or model would
probably fit.

Everytime I have my A/C serviced, I always check for these before
leaving the shop. Very few take the time to put them back after the
work.

KM