I understand that the coolant leaked out. My question, to clarify, was why would that valves need to be replaced.
The coolant leak was at the lowest point the in radiator, and also, the inter-cooler for the compressor was also damaged.
There is no intercooler on the Commander.
2006 Steel Blue 5.7L HEMI Limited 4x4 Build Date: June 9, 2006 Hour 14
Interior: Dark Slate/Light Graystone with Saddle Brown Leather Seats
Quadra-Drive II, NAV, DVD, Trailer Tow Group IV, Off-Road Group II, Remote Start, UConnect, Rear Backup Camera, Chrome Wheels,
Magnaflow cat-back exhaust, Daytime Running Lights enabled, 2" Rough Country Lift with 265/70R17 Goodyear Wrangler AT/S