Question about 2006 Chrysler Sebring
Heater/defrost not producing warm air when idle. I want to know how to flush heater core myself.
Follow heater hoses from firewall to engine and disconnect there. Turn heater on without engine running. If you have vac control in hose line to cabin,make sure switch is on. then flow water thru untill clean water comes out. reassemble and add a decent coolant
Posted on Nov 28, 2012
Locate the two 3/4 inch black heater hoses running into your firewall remove clamps and stuff a chunk of the same size hose and run boiling water through it.it works with cool water but not as good.the clamps are real fun
Posted on Nov 28, 2012
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Posted on Jan 02, 2017
If you're getting hot air, it's not the heater core.
Windows fog up because the humidity level inside the vehicle increases while the temperature of the windows decreases to a point where the dew point of the air is higher than the temperature of the glass. When this happens, moisture from the air condenses onto the glass. When you breath out, you increase the humidity of the air in the car because of the moisture in your breath.
The key for defrost to work isn't necessarily heat, it's more important to dry the air. There are two ways of doing this:
1.) Make sure you have the air recirculation turned off. This feature causes your car to recirculate air from inside the car through the air ducts. In the summer when it's hot and humid outside, this is what you want. However in the winter when the air is dry, you want to bringing fresh dry air from outside to replace the humid air inside the car.
2.) Turn on the A/C compressor. This will cool the air before it passes through the heater core. Cooling air removes moisture. This is why your car drips water from underneath in the summertime when you run the A/C. It is literally removing moisture from the air.
However, if your heater isn't working (blowing cold air even when on the warmest setting), then you may have a different problem.
Posted on Feb 15, 2009
One thing to consider is your thermostat and water pump. If somehow, your thermostat is stuck open, your engine won't get up to temperature. Also, a bad waterpump won't move coolant thru the heater core. Both of these situations should show up on your engine temperature, making it hot or cold...but sometimes they don't show up if your driving pattern doesn't tax the engine..My daughter's car had a bad electric cooling fan , and never was a problem, unless she was stuck in traffic...
Posted on Dec 06, 2009
flush the cooling system or have it flushed. it is clogged or low on fluid. make sure they use an approved flush chemical to do this and bleed it properly with the heat on high. this should take care of it as long as there are no overheating issues or leaks. cheers
Posted on Jan 24, 2010
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