I just put a stat in it less than a year ago. I also took the hose of the top of the stat and it moved with like no effort at all. could it still be bad i guess? Could I have a bad cap? this morning when it was cool I started it let it idle and within like 10min it was venting some steam out of the cap, radiator was cool drove it down the street and back and rad was warm like the stat opened up ran cool? I guess ill change the stat again. no stores opened today though