http://finance.groups.yahoo.com/group/Chevyblazer-2000-c/ chevyblazer 2000 Fri, 06 Feb 2009 03:53:42 GMT smith_from_nw_pa http://finance.groups.yahoo.com/group/Chevyblazer-2000-c/message/1 http://finance.groups.yahoo.com/group/Chevyblazer-2000-c/message/1 I have a 2000 blazer and my temp gauge keeps going high and then my heater starts to blow cold air.you drive a little farer and the gauge starts to come back