Originally Posted by JeepJeff
I turned on my heater and it blew smoke. Forced us out to the car thinking there was for sure a fire. It all stopped but now my heater won't heat up. Heatercore?
It could be one of two things. It's either the blower motor that went bad and burned up or the resistor on the blower motor which controls the speed of the motor went bad. The heater core is basically a small radiator that the coolant flows throught to give you heat in the passenger compartment.