3.6 Pentastar Rattling

Thanks for the feedback @Trojmn. I might take it to my trusty local mechanic to ask him what's wrong with it, but I'm not prepared to spend much on a 115k mile T&C.

Much more inclined to go down to the dealership and buy a new van (not sure whether I'd go with a Chrysler or a Toyota). This is what I haul my kids and family around in -- I want zero trouble.
I was in the same boat as you and was dreading taking the van with the whole family on a long trip. I was oogling Pacifica's to replace it. Once i tore into it and saw how great everything was internally I'm way more confident in the well maintained van i know than some unknown, besides ALL dealerships have busy service bays. Also 115K miles isn't alot.

Other thing besides the rockers eating cams to look out for:
Oil cooler ~$200 for the dorman aluminum one
Heater y pipe/hose (right by master cylinder) it gets hot and leaks ~$20
T-Stat I'm on my second ~$15
rear air lines ~$100 for aftermarket