Asked by Mar 12, 2011 at 08:49 PM about the 2003 Chevrolet Monte Carlo LS

Question type: Maintenance & Repair

My 03 Monte Carlo blows cold air out of the heater/defroster and the engines runs hot, 200+ after just a few minutes of driving.  I changed the thermostat today with no change.  Help.

1 Answer


hold your heater hoses and see if they are the same temp, if not you got a ciculation problem ,if they are the same temp, gently back wash heater core

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