My problems started about 2 month's ago. I noticed that the hot air in the passenger compartment got cooler all of a sudden. I didn't think too much of it until it started to get really cold. I also noticed that the temp. Reading on the gauges was just shy of 210, maybe 180. I read that it's usually not the thermostat that causes this, but I decided to replace it anyway just in case. That worked for about 3 hrs. With the heat that I was used to. However, now were back to square 1. I've noticed that the only time I can get the same good heat is when I'm driving and even that is hit or miss. I've checked coolant levels, and checked to see if I was gettin the same flow of air through the vents. This is all normal. I had my radiator replaced in July and am wondering if this has anything to do with my current problem. I have also checked the heater core inlet and outlet hoses and I'm not exactly sure what I should be finding there. I'm thinking maybe my problem now is the core and that fact that it might be clogged. I also have not ruled out the possibility of air in the system, and I will be trying to run the system with the cap off to get rid of some of the air bubbles if they exist.
Am I even close.
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Sunday, January 18th, 2009 AT 8:50 AM