Coolant smell and hot air

Asked by Jan 18, 2017 at 08:21 AM about the 2007 Kia Optima LX V6

Question type: Maintenance & Repair

I have a 2006.5 Kia Optima V6. I have a smell of coolant
and I can't get even cool air to blow out of the vents. It
only blows hot air. The car doesn't run hot. It has used
some coolant but not much. Any help?

2 Answers

835

The actuator/wire responsible for switching hot to cold might be out of its place. Along with a high coolant leak, In the morning, do the windows get mist over? (on the inside of the car) Or do you have any water/coolant on the passenger's side carpet? This should tell you if the heating core inside is leaking...

There is a film on the windshields but I don't think it the heater core. I'm leaning towards a heater control valve but it blows warm all the time.

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