caddy forums has always guided me thank you all for info and help...i have 2001 deville it has not ran hot at all,although at times it has acted as if it wants to over heat but temp seems to stay at normal.the past two days i have been smelling some coolant i just changed temp sensor so i thought that the smell was from that but i noticed yesterday morning at turn on it was smoking at turn a little but thought maybe just some humidity in muffler or somthing went to work ok and came home ok this morning holy cow....smokeing like a bandit and smelling coolant....but it doesnt seem to over heat...any info or help...any info is gladly appreciated and helpful..everybody is saying headgasket but hopeing maybe its somthing else thank you caddy forum