guyslp Posted November 19, 2014 Report Share Posted November 19, 2014 My car has decided to become utterly anemic as far as cabin heating. Today the outside temperature was 28 degrees F and I had the system set to 72 degrees F. I tried Econ, Auto, and Defrost modes and the result was the same: very, very cool "heat." I can't decide whether the temperature of the air coming out of the foot vents or the defrost vents was warmer than ambient outdoor temperature because it was a mix of the existing cabin air (which the sun helped to warm up with the windows closed) with outdoor air or because there was a minimal amount of heat being generated by the heater core. I bought the car last winter so I would have to have noticed this last year had it been present then. I've been through this sort of thing before with other cars. I've checked the coolant level in the radiator and overflow tank and they're fine. I've seen this before for any one of several "usual reasons:" Blocked or partially blocked heater core (unlikely, I think) Malfunctioning heater water valve or actuator for same Thermostat stuck open which makes the engine take *forever* to reach operating (and heating) temperature. I'm wondering if anyone has an opinion as to which is most likely/what I should be checking first. Brian, who expected "inferno like" heat at the early stages of heating today, and didn't get that Quote Brian Bri the Tech Guy http://email@example.com (540) 324-5032 "If it's got you screaming, I'll help you stop!!" Link to comment Share on other sites More sharing options...
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