What is wrong? What you describe that is removable is the T-stat housing, it is seperate from the rad.
Any parts house should be able to order a rad for you if that is what you need. Just need to shop around for best price
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The silver 03 GT is gone, but a Solstice has arrived. There are three more PT's to play with though
My personal thanks to veteran and novice crewbies that have offered information and how-to's they have been instrumental in taking LiquidPT from modded car to stock to live a more quiet and sedate life.