Thank you Joe! I checked and it is the overflow hose. Opened up the little access panel below the pass door and the line was dry, which is good. I've read many posts on this board and there seems to be a strong correlation between head gasket replacement and resultant high temps. Mine was done 44k miles ago, and in the year that I've had the car, temp has always run just below 100.

Therm was replaced last week, I suppose it could be bad, but it does cause aux fans to kick in at the apprx temps specified as others have documented on this board.

I am curious as to why the overflow hose could cause an overheating problem. any insights? I am looking on the board, but having a hard time finding anything so far.

Thanks for your help!!!

Donna